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1.
Nature ; 600(7889): 523-529, 2021 12.
Artigo em Inglês | MEDLINE | ID: mdl-34634791

RESUMO

The emergence of SARS-CoV-2 variants with mutations in major neutralizing antibody-binding sites can affect humoral immunity induced by infection or vaccination1-6. Here we analysed the development of anti-SARS-CoV-2 antibody and T cell responses in individuals who were previously infected (recovered) or uninfected (naive) and received mRNA vaccines to SARS-CoV-2. While individuals who were previously infected sustained higher antibody titres than individuals who were uninfected post-vaccination, the latter reached comparable levels of neutralization responses to the ancestral strain after the second vaccine dose. T cell activation markers measured upon spike or nucleocapsid peptide in vitro stimulation showed a progressive increase after vaccination. Comprehensive analysis of plasma neutralization using 16 authentic isolates of distinct locally circulating SARS-CoV-2 variants revealed a range of reduction in the neutralization capacity associated with specific mutations in the spike gene: lineages with E484K and N501Y/T (for example, B.1.351 and P.1) had the greatest reduction, followed by lineages with L452R (for example, B.1.617.2). While both groups retained neutralization capacity against all variants, plasma from individuals who were previously infected and vaccinated displayed overall better neutralization capacity than plasma from individuals who were uninfected and also received two vaccine doses, pointing to vaccine boosters as a relevant future strategy to alleviate the effect of emerging variants on antibody neutralizing activity.


Assuntos
Anticorpos Antivirais/imunologia , COVID-19/epidemiologia , COVID-19/virologia , SARS-CoV-2/imunologia , Linfócitos T/imunologia , Vacinas Sintéticas/imunologia , Vacinas de mRNA/imunologia , Vacina de mRNA-1273 contra 2019-nCoV/imunologia , Adulto , Idoso , Anticorpos Neutralizantes/imunologia , Vacina BNT162/imunologia , Feminino , Pessoal de Saúde/estatística & dados numéricos , Humanos , Imunidade Humoral , Masculino , Pessoa de Meia-Idade , Mutação , Estudos Retrospectivos , SARS-CoV-2/classificação , Glicoproteína da Espícula de Coronavírus/genética , Glicoproteína da Espícula de Coronavírus/imunologia
2.
N Engl J Med ; 388(12): 1101-1110, 2023 Mar 23.
Artigo em Inglês | MEDLINE | ID: mdl-36947467

RESUMO

BACKGROUND: Despite widespread adoption of surveillance testing for coronavirus disease 2019 (Covid-19) among staff members in skilled nursing facilities, evidence is limited regarding its relationship with outcomes among facility residents. METHODS: Using data obtained from 2020 to 2022, we performed a retrospective cohort study of testing for severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) among staff members in 13,424 skilled nursing facilities during three pandemic periods: before vaccine approval, before the B.1.1.529 (omicron) variant wave, and during the omicron wave. We assessed staff testing volumes during weeks without Covid-19 cases relative to other skilled nursing facilities in the same county, along with Covid-19 cases and deaths among residents during potential outbreaks (defined as the occurrence of a case after 2 weeks with no cases). We reported adjusted differences in outcomes between high-testing facilities (90th percentile of test volume) and low-testing facilities (10th percentile). The two primary outcomes were the weekly cumulative number of Covid-19 cases and related deaths among residents during potential outbreaks. RESULTS: During the overall study period, 519.7 cases of Covid-19 per 100 potential outbreaks were reported among residents of high-testing facilities as compared with 591.2 cases among residents of low-testing facilities (adjusted difference, -71.5; 95% confidence interval [CI], -91.3 to -51.6). During the same period, 42.7 deaths per 100 potential outbreaks occurred in high-testing facilities as compared with 49.8 deaths in low-testing facilities (adjusted difference, -7.1; 95% CI, -11.0 to -3.2). Before vaccine availability, high- and low-testing facilities had 759.9 cases and 1060.2 cases, respectively, per 100 potential outbreaks (adjusted difference, -300.3; 95% CI, -377.1 to -223.5), along with 125.2 and 166.8 deaths (adjusted difference, -41.6; 95% CI, -57.8 to -25.5). Before the omicron wave, the numbers of cases and deaths were similar in high- and low-testing facilities; during the omicron wave, high-testing facilities had fewer cases among residents, but deaths were similar in the two groups. CONCLUSIONS: Greater surveillance testing of staff members at skilled nursing facilities was associated with clinically meaningful reductions in Covid-19 cases and deaths among residents, particularly before vaccine availability.


Assuntos
COVID-19 , Surtos de Doenças , Pessoal de Saúde , Vigilância da População , Instituições de Cuidados Especializados de Enfermagem , Humanos , COVID-19/diagnóstico , COVID-19/epidemiologia , COVID-19/mortalidade , COVID-19/prevenção & controle , Surtos de Doenças/prevenção & controle , Surtos de Doenças/estatística & dados numéricos , Estudos Retrospectivos , SARS-CoV-2 , Instituições de Cuidados Especializados de Enfermagem/normas , Instituições de Cuidados Especializados de Enfermagem/estatística & dados numéricos , Pessoal de Saúde/normas , Pessoal de Saúde/estatística & dados numéricos , Vigilância da População/métodos , Pacientes/estatística & dados numéricos , Pandemias/prevenção & controle , Pandemias/estatística & dados numéricos
3.
N Engl J Med ; 385(16): 1474-1484, 2021 10 14.
Artigo em Inglês | MEDLINE | ID: mdl-34320281

RESUMO

BACKGROUND: Despite the high efficacy of the BNT162b2 messenger RNA vaccine against severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), rare breakthrough infections have been reported, including infections among health care workers. Data are needed to characterize these infections and define correlates of breakthrough and infectivity. METHODS: At the largest medical center in Israel, we identified breakthrough infections by performing extensive evaluations of health care workers who were symptomatic (including mild symptoms) or had known infection exposure. These evaluations included epidemiologic investigations, repeat reverse-transcriptase-polymerase-chain-reaction (RT-PCR) assays, antigen-detecting rapid diagnostic testing (Ag-RDT), serologic assays, and genomic sequencing. Correlates of breakthrough infection were assessed in a case-control analysis. We matched patients with breakthrough infection who had antibody titers obtained within a week before SARS-CoV-2 detection (peri-infection period) with four to five uninfected controls and used generalized estimating equations to predict the geometric mean titers among cases and controls and the ratio between the titers in the two groups. We also assessed the correlation between neutralizing antibody titers and N gene cycle threshold (Ct) values with respect to infectivity. RESULTS: Among 1497 fully vaccinated health care workers for whom RT-PCR data were available, 39 SARS-CoV-2 breakthrough infections were documented. Neutralizing antibody titers in case patients during the peri-infection period were lower than those in matched uninfected controls (case-to-control ratio, 0.361; 95% confidence interval, 0.165 to 0.787). Higher peri-infection neutralizing antibody titers were associated with lower infectivity (higher Ct values). Most breakthrough cases were mild or asymptomatic, although 19% had persistent symptoms (>6 weeks). The B.1.1.7 (alpha) variant was found in 85% of samples tested. A total of 74% of case patients had a high viral load (Ct value, <30) at some point during their infection; however, of these patients, only 17 (59%) had a positive result on concurrent Ag-RDT. No secondary infections were documented. CONCLUSIONS: Among fully vaccinated health care workers, the occurrence of breakthrough infections with SARS-CoV-2 was correlated with neutralizing antibody titers during the peri-infection period. Most breakthrough infections were mild or asymptomatic, although persistent symptoms did occur.


Assuntos
Vacinas contra COVID-19 , COVID-19/epidemiologia , Pessoal de Saúde/estatística & dados numéricos , Adulto , Doenças Assintomáticas , Vacina BNT162 , COVID-19/diagnóstico , COVID-19/prevenção & controle , Teste de Ácido Nucleico para COVID-19 , Estudos de Casos e Controles , Feminino , Humanos , Israel/epidemiologia , Masculino , Pessoa de Meia-Idade , Reação em Cadeia da Polimerase Via Transcriptase Reversa , Falha de Tratamento
4.
J Med Virol ; 96(6): e29725, 2024 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-38828936

RESUMO

Data on post-coronavirus disease (COVID) in healthcare workers (HCWs) are scarce. We aimed to assess prevalence, determinants, and consequences of post-COVID in HCWs. In fall 2022, we performed a cross-sectional survey in a tertiary care hospital with a web-based questionnaire sent to HCWs. Post-COVID was defined as persistent/new symptoms 3 months after acute COVID. Propensity score weighting was performed to assess the impact of post-COVID on return-to-work. 1062 HCWs completed the questionnaire, 713 (68%) reported at least one COVID, and 109 (10%) met the definition for post-COVID, with workplace contamination reported in 51 (47%). On multivariable analysis, risk factors for post-COVID were female gender (p = 0.047), ≥50 years (p = 0.007), immunosuppression (p = 0.004), ≥2 COVID episodes (p = 0.003), and ≥5 symptoms during acute COVID (p = 0.005). Initial sick leave was prescribed for 94 HCWs (86% post-COVID), for a median duration of 7 [7-9] days, and extended for 23. On return-to-work, 91 (84%) had residual symptoms, primarily asthenia/fatigue (72%) and cognitive impairment (25%). Cognitive impairment at return-to-work was associated with post-COVID. Ten HCWs (9%) received a medical diagnosis of post-COVID, 8 consulted the occupational physician, and four required work adaptation. Post-COVID affected 10% of HCWs. Long-term consequences included repeated sick leaves and residual symptoms on return-to-work.


Assuntos
COVID-19 , Pessoal de Saúde , Humanos , COVID-19/epidemiologia , Masculino , Estudos Transversais , Feminino , Pessoal de Saúde/estatística & dados numéricos , Pessoa de Meia-Idade , Prevalência , Adulto , Inquéritos e Questionários , Fatores de Risco , Retorno ao Trabalho/estatística & dados numéricos , SARS-CoV-2 , Licença Médica/estatística & dados numéricos , Síndrome de COVID-19 Pós-Aguda
5.
MMWR Morb Mortal Wkly Rep ; 73(17): 393-398, 2024 May 02.
Artigo em Inglês | MEDLINE | ID: mdl-38696343

RESUMO

Cigarette smoking during pregnancy increases the risk for pregnancy complications and adverse infant outcomes such as preterm delivery, restricted fetal growth, and infant death. Health care provider counseling can support smoking cessation. Data from the 2021 Pregnancy Risk Assessment Monitoring System were analyzed to estimate the prevalence of smoking before, during, and after pregnancy; quitting smoking during pregnancy; and whether health care providers asked about cigarette smoking before, during, and after pregnancy among women with a recent live birth. In 2021, the prevalence of cigarette smoking was 12.1% before pregnancy, 5.4% during pregnancy, and 7.2% during the postpartum period; 56.1% of women who smoked before pregnancy quit smoking while pregnant. Jurisdiction-specific prevalences of smoking ranged from 3.5% to 20.2% before pregnancy, 0.4% to 11.0% during pregnancy, and 1.0% to 15.1% during the postpartum period. Among women with a health care visit during the associated period, the percentage of women who reported that a health care provider asked about smoking was 73.7% at any health care visit before pregnancy, 93.7% at any prenatal care visit, and 57.3% at a postpartum checkup. Routine assessment of smoking behaviors among pregnant and postpartum women can guide the development and implementation of evidence-based tobacco control measures at the jurisdiction and health care-system level to reduce smoking among pregnant and postpartum women.


Assuntos
Fumar Cigarros , Humanos , Gravidez , Feminino , Estados Unidos/epidemiologia , Prevalência , Fumar Cigarros/epidemiologia , Medição de Risco , Adulto , Adulto Jovem , Pessoal de Saúde/estatística & dados numéricos , Gestantes/psicologia , Abandono do Hábito de Fumar/estatística & dados numéricos , Adolescente
6.
Malar J ; 23(1): 120, 2024 Apr 25.
Artigo em Inglês | MEDLINE | ID: mdl-38664678

RESUMO

BACKGROUND: The increased availability and use of malaria rapid diagnostic test (RDT) by primary healthcare (PHC) workers has made universal diagnostic testing before malaria treatment more feasible. However, to meaningfully resolve the problem of over-treatment with artemisinin-based combination therapy and the heightened risk of selection pressure and drug resistance, there should be appropriate response (non-prescription of anti-malarial drugs) following a negative RDT result by PHC workers. This study explored the determinants of the use of RDT and anti-malarial drug prescription practices by PHC workers in Ebonyi state, Nigeria. METHODS: Between March 2 and 10, 2020, three focus group discussions were conducted in English with 23 purposively-selected consenting PHC workers involved in the diagnosis and treatment of malaria. Data was analysed thematically as informed by the method by Braun and Clarke. RESULTS: The determinants of the use of RDT for malaria diagnosis were systemic (RDT availability and patient load), provider related (confidence in RDT and the desire to make correct diagnosis, PHC worker's knowledge and training, and fear to prick a patient), client related (fear of needle prick and refusal to receive RDT, and self-diagnosis of malaria, based on symptoms, and insistence on not receiving RDT), and RDT-related (the ease of conducting and interpreting RDT). The determinants of anti-malarial drug prescription practices were systemic (drug availability and cost) and drug related (effectiveness and side-effects of the drugs). The determinants of the prescription of anti-malarial drugs following negative RDT were provider related (the desire to make more money and limited confidence in RDT) and clients' demand while unnecessary co-prescription of antibiotics with anti-malarial drugs following positive RDT was determined by the desire to make more money. CONCLUSIONS: This evidence highlights many systemic, provider, client, and RDT/drug related determinants of PHC workers' use of RDT and anti-malarial drug prescription practices that should provide tailored guidance for relevant health policy actions in Ebonyi state, Nigeria, and similar settings.


Assuntos
Antimaláricos , Testes Diagnósticos de Rotina , Pessoal de Saúde , Malária , Atenção Primária à Saúde , Nigéria , Antimaláricos/uso terapêutico , Testes Diagnósticos de Rotina/estatística & dados numéricos , Malária/tratamento farmacológico , Malária/diagnóstico , Humanos , Pessoal de Saúde/estatística & dados numéricos , Masculino , Feminino , Adulto , Pessoa de Meia-Idade , Prescrições de Medicamentos/estatística & dados numéricos , Grupos Focais , Pesquisa Qualitativa , Testes de Diagnóstico Rápido
7.
Ann Emerg Med ; 84(1): 40-48, 2024 Jul.
Artigo em Inglês | MEDLINE | ID: mdl-38493375

RESUMO

STUDY OBJECTIVE: In the early months of the coronavirus disease 2019 (COVID-19) pandemic and before vaccine availability, there were concerns that infected emergency department (ED) health care personnel could present a threat to the delivery of emergency medical care. We examined how the pandemic affected staffing levels and whether COVID-19 positive staff were potentially infectious at work in a cohort of US ED health care personnel in 2020. METHODS: The COVID-19 Evaluation of Risks in Emergency Departments (Project COVERED) project was a multicenter prospective cohort study of US ED health care personnel conducted from May to December 2020. During surveillance, health care personnel completed weekly electronic surveys and underwent periodic serology and nasal reverse transcription polymerase chain reaction testing for SARS-CoV-2, and investigators captured weekly data on health care facility COVID-19 prevalence and health care personnel staffing. Surveys asked about symptoms, potential exposures, work attendance, personal protective equipment use, and behaviors. RESULTS: We enrolled 1,673 health care personnel who completed 29,825 person weeks of surveillance. Eighty-nine (5.3%) health care personnel documented 90 (0.3%; 95% confidence interval [CI] 0.2% to 0.4%) person weeks of missed work related to documented or concerns for COVID-19 infection. Health care personnel experienced symptoms of COVID-19 during 1,256 (4.2%) person weeks and worked at least one shift whereas symptomatic during 1,042 (83.0%) of these periods. Seventy-five (4.5%) participants tested positive for SARS-CoV-2 during the surveillance period, including 43 (57.3%) who indicated they never experienced symptoms; 74 (98.7%; 95% CI 90.7% to 99.9%) infected health care personnel worked at least one shift during the initial period of infection, and 71 (94.7%) continued working until laboratory confirmation of their infection. Physician staffing was not associated with the facility or community COVID-19 levels within any time frame studied (Kendall tau's 0.02, 0.056, and 0.081 for no shift, one-week time shift, and 2-week time shift, respectively). CONCLUSIONS: During the first wave of the pandemic, COVID-19 infections in ED health care personnel were infrequent, and the time lost from the workforce was minimal. Health care personnel frequently reported for work while infected with SARS-CoV-2 before laboratory confirmation. The ED staffing levels were poorly correlated with facility and community COVID-19 burden.


Assuntos
COVID-19 , Serviço Hospitalar de Emergência , Pessoal de Saúde , SARS-CoV-2 , Humanos , COVID-19/epidemiologia , Estados Unidos/epidemiologia , Estudos Prospectivos , Serviço Hospitalar de Emergência/estatística & dados numéricos , Feminino , Masculino , Adulto , Pessoal de Saúde/estatística & dados numéricos , Pessoa de Meia-Idade , Equipamento de Proteção Individual/provisão & distribuição , Equipamento de Proteção Individual/estatística & dados numéricos , Pandemias , Transmissão de Doença Infecciosa do Paciente para o Profissional/prevenção & controle
8.
BMC Infect Dis ; 24(1): 420, 2024 Apr 22.
Artigo em Inglês | MEDLINE | ID: mdl-38644476

RESUMO

BACKGROUND: This cross-sectional study investigates infection prevention and control (IPC) competencies among healthcare professionals in northwest China, examining the influence of demographic factors, job titles, education, work experience, and hospital levels. METHODS: Data from 874 respondents across 47 hospitals were collected through surveys assessing 16 major IPC domains. Statistical analyses, including Mann-Whitney tests, were employed to compare competencies across variables. RESULTS: Significant differences were identified based on gender, job titles, education, work experience, and hospital levels. Females demonstrated higher IPC competencies, while senior positions exhibited superior performance. Higher educational attainment and prolonged work experience positively correlated with enhanced competencies. Variances across hospital levels underscored context-specific competencies. CONCLUSION: Demographic factors and professional variables significantly shape IPC competencies. Tailored training, considering gender differences and job roles, is crucial. Higher education and prolonged work experience positively impact proficiency. Context-specific interventions are essential for diverse hospital settings, informing strategies to enhance IPC skills and mitigate healthcare-associated infections effectively.


Assuntos
Pessoal de Saúde , Humanos , Estudos Transversais , China , Feminino , Masculino , Pessoal de Saúde/estatística & dados numéricos , Adulto , Pessoa de Meia-Idade , Controle de Infecções/métodos , Inquéritos e Questionários , Infecção Hospitalar/prevenção & controle , Competência Clínica/estatística & dados numéricos , Hospitais
9.
BMC Infect Dis ; 24(1): 594, 2024 Jun 17.
Artigo em Inglês | MEDLINE | ID: mdl-38886674

RESUMO

BACKGROUND: This study aimed at validating the updated DeLone and McLean's information systems success model (D&MISS) in a developing country's infectious disease pandemic preparedness and response context. The findings from this study are relevant to inform policies and actions for enhancing developing countries' the Health Information System's (HIS) performance, and specifically to improve their future pandemic readiness and response. The study sought to respond to a key research question: to what extent can the D&MISS model provide evidence to enhance the HIS's infectious disease pandemic readiness and response in developing countries? METHOD: A cross-sectional study design that involved a multi-stage probability sampling approach to select eligible healthcare workers was applied. Conducted in Nigeria and Liberia, 576 primary healthcare workers, out of the proposed 600, participated, representing a response rate of 96%. The D&MISS model served as the theoretical underpinning for this study, and nine hypothesized relationships were stated before the study based on the interconnectedness of the model's six dimensions. Structural Equation Modelling (SEM) data analysis using the Partial Least Square approach was used to determine if hypothesized relationships were supported. RESULTS: 70% of the observed variance in the Net Benefit construct was explained by the predictive influence of the Use and User Satisfaction constructs. The Use construct had a slightly more substantial predictive influence than the User Satisfaction construct. Eight of the nine hypothesized relationships were supported, except for the relationship between Information Quality and Use. The relationships between System Quality and Use and User Satisfaction and Net Benefit had the highest beta coefficient, statistically significant at p < 0.05. CONCLUSION AND RELEVANCE: The D&MISS model demonstrated its relevance in providing evidence on the gaps of the HISs regarding future pandemic preparedness and response. However, from a future research opportunity, its enhancement and modifications with context-specific dimensions peculiar to developing countries will improve its ability to provide more context-specific evidence to improve pandemic preparedness and response for developing countries.


Assuntos
Países em Desenvolvimento , Pandemias , Humanos , Estudos Transversais , Nigéria/epidemiologia , Libéria/epidemiologia , Pessoal de Saúde/estatística & dados numéricos , Masculino , Sistemas de Informação em Saúde , Feminino , Adulto , Pessoa de Meia-Idade , COVID-19/epidemiologia , Doenças Transmissíveis/epidemiologia
10.
Epidemiol Infect ; 152: e69, 2024 Apr 01.
Artigo em Inglês | MEDLINE | ID: mdl-38557427

RESUMO

Hand hygiene (HH) is the paramount measure used to prevent healthcare-associated infections. A repeated cross-sectional study was undertaken with direct observation of the degree of compliance on HH of healthcare personnel during the SARS-CoV-2 pandemic. Between, 2018-2019, 9,083 HH opportunities were considered, and 5,821 in 2020-2022. Chi squared tests were used to identify associations. The crude and adjusted odds ratios were used along with a logistic regression model for statistical analyses. Compliance on HH increased significantly (p < 0.001) from 54.5% (95% CI: 53.5, 55.5) to 70.1% (95% CI: 68.9, 71.2) during the COVID-19 pandemic. This increase was observed in four of the five key moments of HH established by the World Health Organization (WHO) (p < 0.05), except at moment 4. The factors that were significantly and independently associated with compliance were the time period considered, type of healthcare-personnel, attendance at training sessions, knowledge of HH and WHO guidelines, and availability of hand disinfectant alcoholic solution in pocket format. Highest HH compliance occurred during the COVID-19 pandemic, reflecting a positive change in healthcare-personnel's behaviour regarding HH recommendations.


Assuntos
COVID-19 , Fidelidade a Diretrizes , Higiene das Mãos , Pessoal de Saúde , Humanos , COVID-19/prevenção & controle , COVID-19/epidemiologia , Estudos Transversais , Fidelidade a Diretrizes/estatística & dados numéricos , Higiene das Mãos/estatística & dados numéricos , Pessoal de Saúde/estatística & dados numéricos , SARS-CoV-2 , Desinfecção das Mãos
11.
BMC Infect Dis ; 24(1): 529, 2024 May 27.
Artigo em Inglês | MEDLINE | ID: mdl-38802771

RESUMO

BACKGROUND: Taiwan, deeply impacted by the 2003 SARS outbreak, promptly implemented rigorous infection control and prevention (ICP) measures in January 2020 to combat the global COVID-19 pandemic. This cross-sectional serologic study was conducted among healthcare workers (HCWs) in a tertiary care hospital in Taiwan from August 1, 2022, to February 28, 2023. The study aimed to assess HCWs' antibody responses to COVID-19 vaccination against Omicron subvariants BA.1, BA.4, and BA.5, considering variations in prior infection. Additionally, it evaluated the effectiveness of ICP and vaccination policies within the hospital setting in Taiwan. METHODS: A cross-sectional serology study was conducted in Taiwan to investigate the seroprevalence rates of Omicron subvariants BA.1, BA.4, and BA.5 among HCWs. A total of 777 HCWs participated in this study. A structured questionnaire was collected to obtain the epidemiological characteristics and risk factors for potential exposure. Enzyme-linked immunosorbent assay was used to detect antibody responses. Serum samples were selected for protection against Omicron subvariants BA.1, BA.4, and BA.5 by using a pseudotyped-based neutralization assay. RESULTS: More than 99% of the participants had received SARS-CoV-2 vaccination. Overall, 57.7% had been infected with SARS-CoV-2, with some being asymptomatic. The SARS-CoV-2 Anti-Spike S1 protein IgG (Anti-S) distribution was 40,000 AU/mL for 20.2% (157/777) of participants, with a mean ± standard deviation of 23,442 ± 22,086. The decay curve for Anti-S was less than 20,000 AU/ml after 120 days. The probability curve of 50% neutralization showed an Anti-S of 55,000 AU/ml. The optimum Anti-S was 41,328 AU/mL (equal to 5,869 WHO's standard BAU/mL), with 86.1% sensitivity and 63.5% specificity. CONCLUSIONS: In this significant study, 20.2% of HCWs achieved seroprotection against Omicron subvariants BA.1, BA.4, and BA.5. Their immunity against Omicron subvariants was further reinforced through recommended vaccinations and the development of natural immunity from SARS-CoV-2 exposure, collectively enhancing their protection against Omicron.


Assuntos
Anticorpos Antivirais , COVID-19 , Pessoal de Saúde , SARS-CoV-2 , Centros de Atenção Terciária , Humanos , Estudos Transversais , Taiwan/epidemiologia , COVID-19/prevenção & controle , COVID-19/imunologia , COVID-19/epidemiologia , SARS-CoV-2/imunologia , Pessoal de Saúde/estatística & dados numéricos , Anticorpos Antivirais/sangue , Masculino , Feminino , Adulto , Estudos Soroepidemiológicos , Pessoa de Meia-Idade , Vacinas contra COVID-19/imunologia , Vacinas contra COVID-19/administração & dosagem
12.
BMC Infect Dis ; 24(1): 436, 2024 Apr 24.
Artigo em Inglês | MEDLINE | ID: mdl-38658874

RESUMO

BACKGROUND: Studies have shown that Omicron breakthrough infections can occur at higher SARS-CoV-2 antibody levels compared to previous variants. Estimating the magnitude of immunological protection induced from COVID-19 vaccination and previous infection remains important due to varying local pandemic dynamics and types of vaccination programmes, particularly among at-risk populations such as health care workers (HCWs). We analysed a follow-up SARS-CoV-2 serological survey of HCWs at a tertiary COVID-19 referral hospital in Germany following the onset of the Omicron variant. METHODS: The serological survey was conducted in January 2022, one year after previous surveys in 2020 and the availability of COVID-19 boosters including BNT162b2, ChAdOx1-S, and mRNA-1273. HCWs voluntarily provided blood for serology and completed a comprehensive questionnaire. SARS-CoV-2 serological analyses were performed using an Immunoglobulin G (IgG) enzyme-linked immunosorbent assay (ELISA). Antibody levels were reported according to HCW demographic and occupational characteristics, COVID-19 vaccination and SARS-CoV-2 infection history, and multivariate linear regression was used to evaluate these associations. RESULTS: In January 2022 (following the fourth COVID-19 wave in Germany including the onset of the Omicron variant), 1482/1517 (97.7%) HCWs tested SARS-CoV-2 seropositive, compared to 4.6% in December 2020 (second COVID-19 wave). Approximately 80% had received three COVID-19 vaccine doses and 15% reported a previous laboratory-confirmed SARS-CoV-2 infection. SARS-CoV-2 IgG geometric mean titres ranged from 335 (95% Confidence Intervals [CI]: 258-434) among those vaccinated twice and without previous infection to 2204 (95% CI: 1919-2531) among those vaccinated three times and with previous infection. Heterologous COVID-19 vaccination combinations including a mRNA-1273 booster were significantly associated with the highest IgG antibody levels compared to other schemes. There was an 8-to 10-fold increase in IgG antibody levels among 31 HCWs who reported a SARS-CoV-2 infection in May 2020 to January 2022 after COVID-19 booster vaccination. CONCLUSIONS: Our findings demonstrate the importance of ongoing COVID-19 booster vaccination strategies in the context of variants such as Omicron and despite hybrid immunity from previous SARS-CoV-2 infections, particularly for at-risk populations such as HCWs. Where feasible, effective types of booster vaccination, such as mRNA vaccines, and the appropriate timing of administration should be carefully considered.


Assuntos
Anticorpos Antivirais , Vacinas contra COVID-19 , COVID-19 , Pessoal de Saúde , Imunização Secundária , Imunoglobulina G , SARS-CoV-2 , Humanos , Pessoal de Saúde/estatística & dados numéricos , COVID-19/prevenção & controle , COVID-19/imunologia , COVID-19/epidemiologia , Masculino , Feminino , Anticorpos Antivirais/sangue , Adulto , SARS-CoV-2/imunologia , Vacinas contra COVID-19/imunologia , Vacinas contra COVID-19/administração & dosagem , Pessoa de Meia-Idade , Alemanha/epidemiologia , Imunoglobulina G/sangue , Seguimentos , Vacina BNT162/imunologia , Vacina BNT162/administração & dosagem , ChAdOx1 nCoV-19/imunologia , ChAdOx1 nCoV-19/administração & dosagem , Vacinação/estatística & dados numéricos , Estudos de Coortes
13.
BMC Pregnancy Childbirth ; 24(1): 403, 2024 Jun 01.
Artigo em Inglês | MEDLINE | ID: mdl-38824569

RESUMO

BACKGROUND: The practice of intrapartum use of oxytocin for induction and augmentation of labour is increasing worldwide with documented wide variations in clinical use, especially dose administrations. There is also evidence of intrapartum use by unauthorized cadre of staff. AIM: This study assessed the patterns - frequency of intrapartum use of oxytocin, the doses and routes of administration for induction and augmentation of labour, and identified the predictors of oxytocin use for induction and augmentation of labour by healthcare providers in Nigeria. METHODS: This was a cross-sectional study conducted among healthcare providers - doctors, nurses/midwives and community health workers (CHWs) in public and private healthcare facilities across the country's six geopolitical zones. A multistage sampling technique was used to select 6,299 eligible healthcare providers who use oxytocin for pregnant women during labour and delivery. A self-administered questionnaire was used to collect relevant data and analysed using STATA 17 statistical software. Summary and inferential statistics were done and further analyses using multivariable regression models were performed to ascertain independent predictor variables of correct patterns of intrapartum oxytocin usage. The p-value was set at < 0.05. RESULTS: Of the 6299 respondents who participated in the study, 1179 (18.7%), 3362 (53.4%), and 1758 (27.9%) were doctors, nurses/midwives and CHWs, respectively. Among the respondents, 4200 (66.7%) use oxytocin for augmentation of labour while 3314 (52.6%) use it for induction of labour. Of the 1758 CHWs, 37.8% and 49% use oxytocin for induction and augmentation of labour, respectively. About 10% of the respondents who use oxytocin for the induction or augmentation of labour incorrectly use the intramuscular route of administration and about 8% incorrectly use intravenous push. Being a doctor, and a healthcare provider from government health facilities were independent positive predictors of the administration of correct dose oxytocin for induction and augmentation of labour. The CHWs were most likely to use the wrong route and dose administration of oxytocin for the induction and augmentation of labour. CONCLUSION: Our study unveiled a concerning clinical practice of intrapartum oxytocin use by healthcare providers in Nigeria - prevalence of intrapartum use of oxytocin, inappropriate routes of administration for induction and augmentation of labour, varied and inappropriately high start dose of administration including unauthorized and high intrapartum use of oxytocin among CHWs.


Assuntos
Pessoal de Saúde , Trabalho de Parto Induzido , Ocitócicos , Ocitocina , Humanos , Ocitocina/administração & dosagem , Nigéria , Feminino , Gravidez , Estudos Transversais , Trabalho de Parto Induzido/métodos , Trabalho de Parto Induzido/estatística & dados numéricos , Ocitócicos/administração & dosagem , Adulto , Pessoal de Saúde/estatística & dados numéricos , Padrões de Prática Médica/estatística & dados numéricos , Inquéritos e Questionários , Trabalho de Parto , Masculino , Adulto Jovem
14.
BMC Womens Health ; 24(1): 305, 2024 May 22.
Artigo em Inglês | MEDLINE | ID: mdl-38778309

RESUMO

BACKGROUND: Little is known about healthcare providers' (HCPs) contraceptive views for adolescents in Haiti, who experience high rates of unintended pregnancy. We sought to describe HCPs' perspectives on barriers and facilitators to contraceptive care delivery in rural Haiti. METHODS: We conducted a cross-sectional survey and qualitative interviews with HCPs in two rural communities in Haiti from 08/2021-03/2022. We assessed demographics, clinical practice behaviors and explored contraception perspectives according to Theory of Planned Behavior constructs: attitudes, subjective norms, and perceived behavioral control (e.g., people's perceptions of their ability to perform a given behavior, barriers and facilitators of a behavior).15-17 We used descriptive statistics to report proportions and responses to Likert scale and multiple-choice questions. Guided by content analysis, we analyzed interview transcripts through thematic inductive coding and team debriefing. RESULTS: Among 58 respondents, 90% (n = 52) were female and 53% (n = 31) were nurses. Most reported always (n = 16, 28%) or very often (n = 21, 36%) obtaining a sexual history for adolescents. A majority agreed/strongly agreed that clinicians should discuss pregnancy prevention (n = 45, 78%), high-risk sexual behaviors (n = 40, 69%), and should prescribe contraception (n = 41, 71%) to adolescents. The most frequently cited provider-level barriers (i.e., significant or somewhat of a barrier) included insufficient contraception knowledge (n = 44, 77%) and time (n = 37, 64%). HCPs were concerned about barriers at the patient-level (e.g. adolescents' fear of parental notification [n = 37, 64%], adolescents will give inaccurate information about sexual behaviors [n = 25, 43%]) and system-level (e.g. resistance to providing care from administration [n = 33, 57%]). In interviews (n = 17), HCPs generally supported contraception care for adolescents. Many HCPs echoed our quantitative findings on concerns about privacy and confidentiality. HCPs reported concerns about lack of contraception education leading to misconceptions, and community and parental judgement. HCPs expressed interest in further contraception training and resources and noted the importance of providing youth-friendly contraceptive care. CONCLUSIONS: While HCPs support contraceptive care, we identified actionable barriers to improve care for adolescents in rural Haiti. Future efforts should include increasing HCP knowledge and training, community and parent coalition building to increase contraception support and offering youth-friendly contraceptive care to offset risk for related adverse health outcomes in adolescents in rural Haiti.


Assuntos
Atitude do Pessoal de Saúde , Anticoncepção , Pessoal de Saúde , Gravidez na Adolescência , População Rural , Humanos , Feminino , Haiti , Adolescente , Gravidez , Estudos Transversais , População Rural/estatística & dados numéricos , Masculino , Adulto , Gravidez na Adolescência/prevenção & controle , Gravidez na Adolescência/psicologia , Anticoncepção/psicologia , Anticoncepção/métodos , Anticoncepção/estatística & dados numéricos , Pessoal de Saúde/psicologia , Pessoal de Saúde/estatística & dados numéricos , Acessibilidade aos Serviços de Saúde/estatística & dados numéricos , Pesquisa Qualitativa , Conhecimentos, Atitudes e Prática em Saúde , Adulto Jovem , Comportamento Contraceptivo/psicologia , Comportamento Contraceptivo/estatística & dados numéricos , Inquéritos e Questionários , Gravidez não Planejada/psicologia
15.
Scand J Public Health ; 52(3): 309-315, 2024 May.
Artigo em Inglês | MEDLINE | ID: mdl-38166531

RESUMO

AIMS: In this study, we examined the voluntary COVID-19 vaccine coverage among health care workers (HCWs) working in close patient contact. HCWs' beliefs about COVID-19 infection, their opinions of vaccination and reasons for having or declining the COVID-19 vaccination were also evaluated. METHODS: In October 2021, a cross-sectional observational study was carried out in five hospitals in Central and Eastern Finland. The anonymous and voluntary survey was targeted at 5120 doctors and nurses working in close patient contact. RESULTS: Some 1837 responses were included in the study. Ninety-seven per cent of the respondents had received at least one COVID-19 vaccine and 68% of the respondents agreed that all HCWs working in close patient contact should be vaccinated against COVID-19. Vaccination coverage and support for vaccination were higher among older HCWs and doctors. HCWs' main reasons for having the COVID vaccine were willingness to protect themselves, their family and their patients from COVID-19. Concerns about adverse reactions to the COVID-19 vaccine was the main reason for declining it. CONCLUSIONS: The overall COVID-19 vaccination coverage and support for vaccinations among HCWs working in close patient contact were high without actual mandatory policies being introduced. Prioritising HCWs for COVID-19 vaccinations and widespread vaccine availability, as well as low general vaccine hesitancy and high seasonal influenza vaccination coverage among the study population were check marks in achieving high COVID-19 vaccination coverage rapidly.


Assuntos
Atitude do Pessoal de Saúde , Vacinas contra COVID-19 , COVID-19 , Pessoal de Saúde , Cobertura Vacinal , Humanos , Finlândia , Estudos Transversais , Vacinas contra COVID-19/administração & dosagem , Masculino , COVID-19/prevenção & controle , Feminino , Adulto , Pessoa de Meia-Idade , Cobertura Vacinal/estatística & dados numéricos , Pessoal de Saúde/psicologia , Pessoal de Saúde/estatística & dados numéricos , Conhecimentos, Atitudes e Prática em Saúde , Inquéritos e Questionários , Vacinação/estatística & dados numéricos , Vacinação/psicologia , Adulto Jovem
16.
BMC Public Health ; 24(1): 1368, 2024 May 21.
Artigo em Inglês | MEDLINE | ID: mdl-38773422

RESUMO

BACKGROUND: For healthcare delivery to be optimally effective, health systems must possess adequate levels and we must ensure a fair distribution of human resources aimed at healthcare facilities. We conducted a scoping review to map the current state of human resources for health (HRH) in India and the reasons behind its shortage. METHODS: A systematic search was conducted in various electronic databases, from the earliest available date till February 2024. We applied a uniform analytical framework to all the primary research reports and adopted the "descriptive-analytical" method from the narrative paradigm. Inductive thematic analysis was conducted to arrange the retrieved data into categories based on related themes after creating a chart of HRH problems. RESULTS: A total of 9675 articles were retrieved for this review. 88 full texts were included for the final data analysis. The shortage was addressed in 30.6% studies (n = 27) whereas 69.3% of studies (n = 61) addressed reasons for the shortage. The thematic analysis of data regarding reasons for the shortage yielded five kinds of HRH-related problems such as inadequate HRH production, job dissatisfaction, brain drain, regulatory issues, and lack of training, monitoring, and evaluation that were causing a scarcity of HRH in India. CONCLUSION: There has been a persistent shortage and inequitable distribution of human resources in India with the rural expert cadres experiencing the most severe shortage. The health department needs to establish a productive recruitment system if long-term solutions are to be achieved. It is important to address the slow and sporadic nature of the recruitment system and the issue of job insecurity among medical officers, which in turn affects their other employment benefits, such as salary, pension, and recognition for the years of service.


Assuntos
Mão de Obra em Saúde , Humanos , Setor de Assistência à Saúde , Pessoal de Saúde/estatística & dados numéricos , Índia , Satisfação no Emprego
17.
BMC Public Health ; 24(1): 1198, 2024 Apr 29.
Artigo em Inglês | MEDLINE | ID: mdl-38685094

RESUMO

BACKGROUND: Healthcare staff in China, especially females, work in a high-pressure, high-load, and high-risk environment, which affects the physical and mental health, the efficiency and quality of work, and increases turnover intention. The present study investigated the relationship between perceived stress and turnover intention in female healthcare staff, and the effects of future-oriented coping and work-family balance on this relationship. METHODS: Four hundred thirty-five female medical workers were recruited to perform a perceived stress scale, future-oriented coping inventory, work-family balance scale and turnover intention scale. Meanwhile, serial multiple mediation analysis was performed using PROCESS. RESULTS: 1) Perceived stress positively predicted the level of turnover intention in female healthcare staff; 2) Preventive coping and proactive coping showed mediation effects on the relationship between perceived stress and turnover intention, and preventive coping positively related to proactive coping; 3) The work-family balance also showed mediation effects on the relationship between perceived stress and turnover intention; 4) Preventive coping, proactive coping and work-family balance showed a serial multiple mediation on the relationship between perceived stress and turnover intention in female healthcare workers. CONCLUSIONS: Perceived stress affects the level of turnover intention in female healthcare staff through preventive coping, proactive coping, and work-family balance. In addition, the sequential model of future-oriented coping was validated among female healthcare staff.


Assuntos
Adaptação Psicológica , Pessoal de Saúde , Intenção , Reorganização de Recursos Humanos , Humanos , Feminino , Reorganização de Recursos Humanos/estatística & dados numéricos , Adulto , China , Pessoal de Saúde/psicologia , Pessoal de Saúde/estatística & dados numéricos , Pessoa de Meia-Idade , Estresse Ocupacional/psicologia , Estresse Ocupacional/epidemiologia , Estresse Psicológico/psicologia , Análise de Mediação , Inquéritos e Questionários , Adulto Jovem
18.
BMC Public Health ; 24(1): 1219, 2024 May 02.
Artigo em Inglês | MEDLINE | ID: mdl-38698360

RESUMO

BACKGROUND: Antimicrobial resistance (AMR) is a pressing global health concern driven by inappropriate antibiotic use, which is in turn influenced by various social, systemic, and individual factors. This study, nested within FIND's AMR Diagnostic Use Accelerator clinical trial in Nepal, aimed to (i) explore the perspectives of patients, caregivers, and healthcare workers (HCWs) on antibiotic prescription adherence and (ii) assess the impact of a training and communication (T&C) intervention on adherence to antibiotic prescriptions. METHODS: Using qualitative, semi-structured interviews, pre-intervention and Day 7 follow-up components, and the Behaviour Change Wheel process, we investigated the facilitators of and barriers to the use and misuse of antibiotic prescriptions. RESULTS: Results of the study revealed that adherence to antibiotic prescriptions is influenced by a complex interplay of factors, including knowledge and understanding, forgetfulness, effective communication, expectations, beliefs and habits, attitudes and behaviours, convenience of purchasing, trust in medical effectiveness, and issues of child preferences. The T&C package was also shown to play a role in addressing specific barriers to treatment adherence. CONCLUSIONS: Overall, the results of this study provide a nuanced understanding of the challenges associated with antibiotic use and suggest that tailored interventions, informed by behaviour frameworks, can enhance prescription adherence, may be applicable in diverse settings and can contribute to the global effort to mitigate the rising threat of AMR.


Assuntos
Antibacterianos , Pesquisa Qualitativa , Humanos , Nepal , Masculino , Feminino , Antibacterianos/uso terapêutico , Adulto , Conhecimentos, Atitudes e Prática em Saúde , Entrevistas como Assunto , Adesão à Medicação/estatística & dados numéricos , Adesão à Medicação/psicologia , Pessoal de Saúde/psicologia , Pessoal de Saúde/estatística & dados numéricos , Pessoa de Meia-Idade
19.
BMC Public Health ; 24(1): 1259, 2024 May 08.
Artigo em Inglês | MEDLINE | ID: mdl-38720278

RESUMO

INTRODUCTION: Worldwide, it has been reported that fully vaccinated people still die of COVID-19-associated symptoms, generating public uncertainty about the safety and effectiveness of the vaccines. Hence, this research is aimed at assessing the incidence of COVID-19 breakthrough infection among vaccinated Health Workers and the possible effect of changes in the practice of post-vaccination safety precautions. METHOD: This was a Health facility-based descriptive cross-sectional study. Data were collected using self-administered questionnaires distributed at the participant's work unit across the selected health facilities. The nasopharyngeal specimen was also obtained from the participants and analysed using STANDARD Q COVID-19 Ag Test rapid chromatographic immunoassay for the detection of antigens to SARS-CoV-2. All data were input and analyzed using SPSS version 20. RESULTS: There was a statistically significant relationship between the vaccination status of respondents and the post-vaccination test result (χ2 = 6.816, df = 1, p = 0.009). The incidence of COVID-19 infection among the vaccinated and unvaccinated HCWs was 2% and 8% respectively. 5 of the 15 respondents who tested positive for COVID-19 had been fully vaccinated. However, all 5 of them did not practice safety measures after vaccination. None of the respondents who practised safety measures after vaccination tested positive for COVID-19. The remaining 10 respondents that tested positive for COVID-19 had not been vaccinated though they practised safety precautions. CONCLUSION: Vaccination and the practice of safety precautions will go a long way to preventing future COVID-19 breakthrough infections.


Assuntos
Vacinas contra COVID-19 , COVID-19 , Pessoal de Saúde , Humanos , Nigéria , Estudos Transversais , Vacinas contra COVID-19/administração & dosagem , Pessoal de Saúde/estatística & dados numéricos , COVID-19/prevenção & controle , COVID-19/epidemiologia , Masculino , Feminino , Adulto , Pessoa de Meia-Idade , Incidência , SARS-CoV-2 , Inquéritos e Questionários , Vacinação/estatística & dados numéricos , Infecções Irruptivas
20.
Nurs Res ; 73(3): 248-254, 2024.
Artigo em Inglês | MEDLINE | ID: mdl-38329959

RESUMO

BACKGROUND: Co-management encompasses the dyadic process between two healthcare providers. The Provider Co-Management Index (PCMI) was initially developed as a 20-item instrument across three theory-informed subscales. OBJECTIVE: This study aimed to establish construct validity of the PCMI with a sample of primary care providers through exploratory and confirmatory factor analyses. METHODS: We conducted a cross-sectional survey of primary care physicians, nurse practitioners, and physician assistants randomly selected from the IQVIA database across New York State. Mail surveys were used to acquire a minimum of 300 responses for split sample factor analyses. The first subsample (derivation sample) was used to explore factorial structure by conducting an exploratory factor analysis. A second (validation) sample was used to confirm the emerged factorial structure using confirmatory factor analysis. We performed iterative analysis and calculated good fit indices to determine the best-fit model. RESULTS: There were 333 responses included in the analysis. Cronbach's alpha was high for a three-item per dimension scale within a one-factor model. The instrument was named PCMI-9 to indicate the shorter version length. DISCUSSION: This study established the construct validity of an instrument that scales the co-management of patients by two providers. The final instrument includes nine items on a single factor using a 4-point, Likert-type scale. Additional research is needed to establish discriminant validity.


Assuntos
Atenção Primária à Saúde , Psicometria , Humanos , Estudos Transversais , Masculino , Feminino , Reprodutibilidade dos Testes , Inquéritos e Questionários/normas , Adulto , New York , Pessoa de Meia-Idade , Atenção Primária à Saúde/normas , Atenção Primária à Saúde/métodos , Atenção Primária à Saúde/estatística & dados numéricos , Psicometria/instrumentação , Análise Fatorial , Profissionais de Enfermagem/estatística & dados numéricos , Profissionais de Enfermagem/normas , Médicos de Atenção Primária/estatística & dados numéricos , Médicos de Atenção Primária/normas , Médicos de Atenção Primária/psicologia , Pessoal de Saúde/estatística & dados numéricos , Pessoal de Saúde/psicologia
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