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OBJECTIVE: This study sought to examine how access to contraception and cervical and breast cancer screening in British Columbia, Canada, has been affected by the COVID-19 pandemic. METHODS: From August 2020 to March 2021, 3691 female residents of British Columbia (age 25-69 y) participated in this study. We used generalized estimating equations to analyze the proportion of females accessing contraception and the proportion having difficulty accessing contraception across the different phases of pandemic control measures, and logistic regression to analyze attendance at cervical and breast cancer screening. We added sociodemographic and biological variables individually into the models. Self-reported barriers to accessing contraception and attending screening were summarized. RESULTS: During phases with the highest pandemic controls, self-reported access to contraception was lower (OR 0.94; 95% CI 0.90-0.98; P = 0.005) and difficulty with access was higher (OR 2.74; 95% CI 1.54-4.88; P = 0.001). A higher proportion of adults aged 25-34 years reported difficulty accessing contraception than those aged 35-39 years (P < 0.0001), and participants identifying as Indigenous had higher odds of access difficulties (OR 5.56; 95% CI 2.44-12.50; P < 0.001). Of those who required screening during the COVID-19 pandemic, 62% and 54.5% did not attend at least one of their cervical or breast screening appointments, respectively. Those with a history of breast cancer had significantly higher odds of self-reporting having attended their mammogram appointment compared with those without a history of breast cancer (OR 5.62; 95% CI 2.69-13.72; P < 0.001). The most common barriers to screening were difficulty getting an appointment and appointments being considered non-urgent. CONCLUSIONS: The COVID-19 pandemic has uniquely affected access to contraception and cancer screening participation for various subgroups. Self-reported data present potential avenues for mitigating barriers.
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Neoplasias da Mama , COVID-19 , Adulto , Neoplasias da Mama/diagnóstico , Neoplasias da Mama/epidemiologia , Colúmbia Britânica/epidemiologia , COVID-19/diagnóstico , COVID-19/epidemiologia , Anticoncepção , Detecção Precoce de Câncer , Feminino , Humanos , Programas de Rastreamento , Pandemias , Estudos ProspectivosRESUMO
BACKGROUND: The success of any COVID-19 vaccine program ultimately depends on high vaccine uptake. This study determined overall intention to receive a COVID-19 vaccine and identified factors that predict intentions to be vaccinated against COVID-19 in Canada, specifically in key priority groups identified by the American Committee on Immunization Practice (ACIP) and the National Advisory Committee on Immunization (NACI) for early immunization. METHODS: Individuals from research cohorts from the general population of British Columbia aged 25-69 were invited complete an online survey based on validated scales and theoretical frameworks to explore intention to receive a COVID-19 vaccine. Two multivariable logistic regression models were conducted to determine factors associated with intention to receive the COVID-19 vaccine. RESULTS: Of 4948 respondents, 79.8% intended to receive a COVID-19 vaccine. In multivariable modeling, respondents who intended to receive the vaccine had higher vaccine attitudinal scores (p < 0.001), reported greater influence of direct social norms (p = 0.001), and indirect social norms, including their family physician (p = 0.024), and Provincial Health Officer (p = 0.011). Older individuals (> 60 years) were more likely to intend to receive the vaccine, while females (95%CI 0.57,0.93), those with less than high school education (95%CI 0.5,0.76), those who self-identified as non-white (95%CI 0.60,0.92), self-identified as Indigenous (95%CI 0.36,0.84) and essential non-health care workers (95%CI 0.59,0.86) had lower adjusted odds of intending to receive a COVID-19 vaccine. CONCLUSIONS: To optimize vaccine coverage, public health should focus on key messages around vaccine safety and benefit, and leverage trusted practitioners for messaging. As certain key populations identified by NACI and ACIP for early immunization report a lower intention to vaccinate, there is a need for in-depth education and support for these communities to ensure optimal uptake.
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COVID-19 , Vacinas , Colúmbia Britânica , Vacinas contra COVID-19 , Feminino , Humanos , Intenção , SARS-CoV-2 , Estados UnidosRESUMO
BACKGROUND: To understand real-world human papillomavirus (HPV) vaccine impact, continuous evaluation using population-based data is critical. We evaluated the early impact of the school-based HPV immunization program on cervical dysplasia in women in British Columbia, Canada. METHODS: Data linkage was performed using records from provincial cervical screening and immunization registries. Precancerous outcomes were compared between unvaccinated and HPV-vaccinated women born 1994-2005. Incidence rate, relative rate (RR), and vaccine effectiveness (VE), using unadjusted and adjusted Poisson regression of cytology (HSIL) and histopathology (CIN2, CIN3, and CIN2+) outcomes, were compared across vaccination status groups. RESULTS: Women who received a complete series of vaccine on schedule between age 9 and 14 years had an adjusted RR = 0.42 (95% confidence interval [CI], 0.31-0.57) for CIN2+ over 7 years of follow-up compared to unvaccinated women, resulting in a VE of 57.9% (95% CI, 43.2%-69.0%). Adjusted RR for HSIL was 0.53 (95% CI, .43-.64), resulting in a VE of 47.1% (95% CI, 35.6%-56.7%). CONCLUSION: Women vaccinated against HPV have a lower incidence of cervical dysplasia compared to unvaccinated women. Immunization between 9 and 14 years of age should be encouraged. Continued program evaluation is important for measuring long-term population impact.
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Programas de Imunização , Infecções por Papillomavirus/prevenção & controle , Vacinas contra Papillomavirus , Displasia do Colo do Útero/epidemiologia , Neoplasias do Colo do Útero/epidemiologia , Adolescente , Fatores Etários , Colúmbia Britânica/epidemiologia , Criança , Detecção Precoce de Câncer , Feminino , Humanos , Incidência , Armazenamento e Recuperação da Informação , Avaliação de Programas e Projetos de Saúde , Sistema de Registros , Instituições Acadêmicas , Neoplasias do Colo do Útero/diagnóstico , Vacinação , Adulto Jovem , Displasia do Colo do Útero/diagnósticoRESUMO
BACKGROUND: In September 2009, a mumps outbreak originated in New York and spread to Northeastern USA and Canada. This study compares the performance of different diagnostic testing methods used in Ontario and describes molecular characteristics of the outbreak strain. METHODS: Between September 2009 and February 2010, specimens from suspect cases were submitted to Public Health Ontario Laboratory for mumps serology, culture and/or real-time reverse-transcriptase PCR (rRT-PCR) testing. rRT-PCR-positive specimens underwent genotyping at Canada's National Microbiology Laboratory. Whole genome sequencing was performed on four outbreak and three sporadic viral culture isolates. RESULTS: Six hundred ninety-eight patients had IgM serology testing, of which 255 (37%) had culture and rRT-PCR. Among those, 35/698 (5%) were IgM positive, 39/255 (15%) culture positive and 47/255 (18%) rRT-PCR-positive. Buccal swabs had the highest rRT-PCR positivity (21%). The outbreak isolates were identical to that in the New York outbreak occurring at the same time. Nucleotide and amino acid identity with the Jeryl Lynn vaccine strain ranged from 85.0-94.5% and 82.4-99.4%, depending on the gene and coding sequences. Homology of the HN protein, the main immunogenic mumps virus protein, was found to be 94.5 and 95.3%, when compared to Jeryl Lynn vaccine major and minor components, respectively. CONCLUSIONS: Despite higher sensitivity than serology, rRT-PCR testing is underutilized. Further work is needed to better understand the suboptimal match of the HN gene between the outbreak strain and the Jeryl Lynn vaccine strain.
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Surtos de Doenças , Vírus da Caxumba/classificação , Caxumba/epidemiologia , Caxumba/virologia , Filogenia , Técnicas de Laboratório Clínico , Proteína HN/genética , Humanos , Imunoglobulina M/sangue , Caxumba/diagnóstico , Vírus da Caxumba/genética , New York/epidemiologia , Ontário/epidemiologia , RNA Viral/genética , Homologia de Sequência de Aminoácidos , Homologia de Sequência do Ácido NucleicoRESUMO
OBJECTIVE: To estimate the prevalence of Mycoplasma genitalium in Toronto, Ont; detect mutations associated with macrolide and fluoroquinolone resistance; and describe treatment outcomes. DESIGN: Prospective, cross-sectional study. SETTING: A sexual health clinic in Toronto. PARTICIPANTS: A consecutive sample of men and women attending the sexual health clinic between September 1, 2013, and December 20, 2013. INTERVENTIONS: Participants underwent testing for M genitalium, along with standard sexually transmitted infection screening. All samples that had positive results for M genitalium were tested for mutations associated with resistance to macrolides and fluoroquinolones. Mycoplasma genitalium treatment was based on resistance profile and verified with a test of cure. MAIN OUTCOME MEASURES: Positive results for M genitalium and antibiotic resistance.
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Antibacterianos/administração & dosagem , Farmacorresistência Bacteriana/genética , Infecções por Mycoplasma/tratamento farmacológico , Infecções por Mycoplasma/epidemiologia , Adulto , Azitromicina/administração & dosagem , Estudos Transversais , Doxiciclina/administração & dosagem , Feminino , Fluoroquinolonas/administração & dosagem , Fluoroquinolonas/efeitos adversos , Humanos , Macrolídeos/efeitos adversos , Masculino , Pessoa de Meia-Idade , Moxifloxacina , Mycoplasma genitalium/efeitos dos fármacos , Mycoplasma genitalium/genética , Ontário/epidemiologia , Estudos Prospectivos , Fatores Sexuais , Resultado do Tratamento , Adulto JovemRESUMO
BACKGROUND: Observed breast, cervical and colon cancer screening rates are below provincial targets for the province of Ontario, Canada. The populations who are under- or never-screened for these cancers have not been described at the Ontario provincial level. Our objective was to use qualitative methods of inquiry to explore who are the never- or under-screened populations of Ontario. METHODS: Qualitative data were collected from two rounds of focus group discussions conducted in four communities selected using maps of screening rates by dissemination area. The communities selected were archetypical of the Ontario context: urban, suburban, small city and rural. The first phase of focus groups was with health service providers. The second phase of focus groups was with community members from the under- and never-screened population. Guided by a grounded theory methodology, data were collected and analyzed simultaneously to enable the core and related concepts about the under- and never-screened to emerge. RESULTS: The core concept that emerged from the data is that the under- and never-screened populations of Ontario are characterized by diversity. Group level characteristics of the under- and never-screened included: 1) the uninsured (e.g., Old Order Mennonites and illegal immigrants); 2) sexual abuse survivors; 3) people in crisis; 4) immigrants; 5) men; and 6) individuals accessing traditional, alternative and complementary medicine for health and wellness. Under- and never-screened could have one or multiple group characteristics. CONCLUSION: The under- and never-screened in Ontario comprise a diversity of groups. Heterogeneity within and intersectionality among under- and never-screened groups adds complexity to cancer screening participation and program planning.
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Detecção Precoce de Câncer/métodos , Necessidades e Demandas de Serviços de Saúde , Neoplasias/epidemiologia , Adulto , Neoplasias da Mama/epidemiologia , Neoplasias da Mama/prevenção & controle , Neoplasias do Colo/epidemiologia , Neoplasias do Colo/prevenção & controle , Etnicidade , Feminino , Disparidades em Assistência à Saúde , Humanos , Masculino , Pessoas sem Cobertura de Seguro de Saúde/estatística & dados numéricos , Pessoa de Meia-Idade , Neoplasias/prevenção & controle , Ontário/epidemiologia , População Rural , População Urbana , Neoplasias do Colo do Útero/epidemiologia , Neoplasias do Colo do Útero/prevenção & controleRESUMO
BACKGROUND: The increased stress the world experienced with the coronavirus disease (COVID-19) pandemic affected mental health, disproportionately affecting females. However, how perceived stress in the first year affected menstrual and menopausal symptoms has not yet been investigated. OBJECTIVES: This study evaluates the effect that the first year of the COVID-19 pandemic had on female reproductive and mental health. METHODS: Residents in British Columbia, Canada, were surveyed online as part of the COVID-19 Rapid Evidence Study of a Provincial Population-Based Cohort for Gender and Sex. A subgroup of participants (n = 4171), who were assigned female sex at birth (age 25-69 years) and were surveyed within the first 6-12 months of the pandemic (August 2020-February 2021), prior to the widespread rollout of vaccines, was retrospectively asked if they noticed changes in their menstrual or menopausal symptoms, and completing validated measures of stress, depression and anxiety. DESIGN: This is a population-based online retrospective survey. RESULTS: We found that 27.8% reported menstrual cycle disturbances and 6.7% reported increased menopause symptoms. Those who scored higher on perceived stress, depression and anxiety scales were more likely to report reproductive cycle disturbances. Free-text responses revealed that reasons for disturbances were perceived to be related to the pandemic. CONCLUSION: The COVID-19 pandemic has highlighted the need to research female-specific health issues, such as menstruation. Our data indicate that in the first year of the pandemic, almost one-third of the menstruating population reported disturbances in their cycle, which was related to percieved stress, depression and anxiety scores.
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COVID-19 , Pandemias , Recém-Nascido , Humanos , Feminino , Adulto , Pessoa de Meia-Idade , Idoso , COVID-19/epidemiologia , Menstruação , Estudos Retrospectivos , SARS-CoV-2 , Depressão/epidemiologia , Depressão/psicologia , Estresse Psicológico/epidemiologia , Ansiedade/epidemiologia , Ansiedade/psicologia , MenopausaRESUMO
OBJECTIVES: Teachers are an important occupational group to consider when addressing vaccine confidence and uptake for school-aged children due to their proximate role within school-based immunization programs. The objectives of this study were to characterize and identify sociodemographic factors associated with vaccine confidence and describe teachers' knowledge of and perceived role in the school-based immunization program, with the aim of informing public health policy and identifying opportunities for supporting teachers in their role in school-based immunization programs. METHODS: A cross-sectional survey of elementary and secondary public-school teachers in British Columbia was completed from August to November 2020. Respondents provided sociodemographic information, as well as past vaccination experience, vaccine knowledge, and perceived role in the school-based immunization program. Vaccine confidence was measured using the Vaccine Hesitancy Scale (VHS). Characteristics associated with the VHS sub-scales 'lack of confidence in vaccines' and 'perceived risk of vaccines', were explored using ANOVA. Descriptive analysis was completed for teachers' perceived role in the immunization program. RESULTS: 5,095 surveys were included in this analysis. Overall vaccine confidence was high, with vaccine hesitancy being related to the perceived risk of vaccines rather than a lack of confidence in the effectiveness of vaccines. ANOVA found significant differences for both VHS-sub-scales based on sociodemographic factors, however, the strength of the association was generally small. High general vaccine knowledge and never having delayed or refused a vaccine in the past were associated with higher vaccine confidence. Overall, teachers reported a lack of clarity in their role within the school-based immunization program. CONCLUSIONS: This large population-based observational study of teachers highlights a number of key engagement opportunities between public health and the education sector. Using a validated scale, we found that overall, teachers are highly accepting of vaccines, and well situated as potential partners with public health to address vaccine hesitancy.
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Pessoal de Educação , Vacinas , Criança , Humanos , Colúmbia Britânica , Estudos Transversais , Coleta de DadosRESUMO
OBJECTIVE: The aim of this study was to explore the acceptability of bacterial STI vaccines among young HPV-vaccinated Canadian women to inform future vaccine program implementation. METHODS: A 20-item cross-sectional questionnaire was administered from June 2019 to June 2020 to HPV-vaccinated participants of the pan-Canadian QUEST cohort. Multivariable logistic regression models assessed interest in chlamydia, syphilis, and gonorrhea vaccines using a priori variables and factors significant in bivariate analysis. RESULTS: Of the 1092 respondents analyzed, 82% indicated interest in receiving one or more future STI vaccines. Respondents had a median age of 19.6 years (range 16.9-23.4), and 75% of respondents identified as white/European descent. In adjusted analyses, intent to engage in positive health behaviours was associated with vaccine interest for syphilis (OR = 5.76, 95% CI 4.03-8.27), chlamydia (OR = 5.27, 95% CI 3.66-7.63), and gonorrhea (OR = 5.96, 95% CI 4.15-8.60). Willingness to pay for an STI vaccine was also associated with vaccine interest for syphilis (OR = 2.02, 95% CI 1.29-3.19), chlamydia (OR = 2.41, 95% CI 1.50-3.90), and gonorrhea (OR = 2.29, 95% CI 1.44-3.63). Ever having sexual intercourse and identifying as LGBTQ were significantly associated with vaccine interest for all infections, while age and ever being immunosuppressed were not significant in any adjusted models. CONCLUSION: Findings indicate over 80% of participants in a cohort of young HPV-vaccinated Canadian women are interested in receiving future bacterial STI vaccines. Further exploration of STI vaccine acceptability among diverse populations is required to inform future bacterial STI vaccine program implementation.
RéSUMé: OBJECTIF: Cette étude visait à explorer l'acceptabilité des vaccins contre les ITS bactériennes chez les jeunes Canadiennes vaccinées contre le VPH pour éclairer la mise en Åuvre de futurs programmes de vaccination. MéTHODE: Un questionnaire transversal de 20 questions a été administré entre juin 2019 et juin 2020 aux participantes de la cohorte QUEST pancanadienne ayant été vaccinées contre le VPH. Des modèles de régression logistique multivariée ont permis d'analyser l'intérêt pour les vaccins contre la chlamydia, la syphilis et la gonorrhée à l'aide de variables a priori et des facteurs significatifs dans l'analyse bivariée. RéSULTATS: Sur les 1 092 répondantes analysées, 82 % ont manifesté l'intérêt de recevoir un ou plusieurs futurs vaccins contre les ITS. L'âge médian des répondantes était de 19,6 ans (intervalle 16,923,4), et 75 % s'identifiaient comme étant blanches/d'ascendance européenne. Dans les analyses ajustées, l'intention de s'adonner à des comportements de santé positifs était associée à l'intérêt pour les vaccins contre la syphilis (RC = 5,76, IC de 95 % 4,038,27), la chlamydia (RC = 5,27, IC de 95 % 3,667,63) et la gonorrhée (RC = 5,96, IC de 95 % 4,158,60). La volonté de payer pour un vaccin contre les ITS était aussi associée à l'intérêt pour les vaccins contre la syphilis (RC = 2,02, IC de 95 % 1,293,19), la chlamydia (RC = 2,41, IC de 95 % 1,503,90) et la gonorrhée (RC = 2,29, IC de 95 % 1,443,63). Le fait d'avoir déjà eu des rapports sexuels et le fait de s'identifier comme une personne LGBTQ présentaient une corrélation significative avec l'intérêt pour les vaccins contre toutes les infections, mais l'âge et le fait d'avoir déjà subi un traitement immunodépresseur n'étaient des facteurs significatifs dans aucun des modèles ajustés. CONCLUSION: Selon nos constatations, plus de 80 % des participantes d'une cohorte de jeunes Canadiennes vaccinées contre les VPH sont intéressées à recevoir de futurs vaccins contre les ITS bactériennes. Une exploration plus poussée de l'acceptabilité des vaccins contre les ITS dans des populations à forte mixité est nécessaire pour éclairer la mise en Åuvre de futurs programmes de vaccination contre les ITS bactériennes.
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Gonorreia , Infecções por HIV , Infecções por Papillomavirus , Vacinas contra Papillomavirus , Infecções Sexualmente Transmissíveis , Sífilis , Adolescente , Adulto , Canadá/epidemiologia , Estudos Transversais , Feminino , Humanos , Intenção , Infecções por Papillomavirus/epidemiologia , Infecções por Papillomavirus/prevenção & controle , Vacinas contra Papillomavirus/uso terapêutico , Comportamento Sexual , Infecções Sexualmente Transmissíveis/epidemiologia , Infecções Sexualmente Transmissíveis/prevenção & controle , Adulto JovemRESUMO
The COVID-19 pandemic and public health protection measures aimed at mitigating the transmission of the virus have both resulted in tremendous physical and mental health impacts. The study at hand used a gender-based analysis and social determinants of health approach to investigate which communities had trouble coping during times of strict protection measures and symptoms and strategies employed during the COVID-19 pandemic. Participants were recruited from previously established cohorts as a part of the COVID-19 Rapid Evidence Study of a Provincial Population-Based Cohort for Gender and Sex (RESPPONSE) study. Being a young adult, female, woman, gender diverse, low-income earner or LGBTQ/2S+ was significantly associated with not being able to cope during the first wave of the pandemic. The effects for females, women, and gender diverse were attenuated yet still significant when controlling for various covariates. Those who reported not coping were more likely to present maladaptive coping symptoms and strategies. Our findings demonstrate the need to support marginalized communities in coping with the current ongoing COVID-19 pandemic and build proactive support for future pandemics.
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Self-collection may provide an opportunity for innovation within population-based human papillomavirus (HPV) cervical cancer screening programs by providing an alternative form of engagement for all individuals. The primary objective was to determine willingness to self-collect a vaginal sample for primary HPV screening and factors that impact willingness in individuals who participated in the Human Papillomavirus For Cervical Cancer (HPV FOCAL) screening trial, a large randomized controlled cervical screening trial. A cross-sectional online survey was distributed between 2017 and 2018 to 13,176 eligible participants exiting the FOCAL trial. Bivariate and multivariable logistic regression assessed factors that influence willingness to self-collect on 4945 respondents. Overall, 52.1% of respondents indicated willingness to self-collect an HPV sample. In multivariable analysis, the odds of willingness to self-collect were significantly higher in participants who agreed that screening with an HPV test instead of a Pap test was acceptable to them (odds ratio (OR): 1.45 (95% confidence interval (CI): 1.15, 1.82), those who indicated that collecting their own HPV sample was acceptable to them (p < 0.001), and those with higher educational ascertainment (OR: 1.31, 95% CI: 1.12, 1.54). The findings offer insight into the intentions to self-collect in those already engaged in screening, and can inform cervical cancer screening programs interested in offering alternative approaches to HPV-based screening.
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Alphapapillomavirus , Infecções por Papillomavirus , Neoplasias do Colo do Útero , Estudos Transversais , Detecção Precoce de Câncer/métodos , Feminino , Humanos , Papillomaviridae , Infecções por Papillomavirus/diagnóstico , Inquéritos e Questionários , Neoplasias do Colo do Útero/diagnóstico , Neoplasias do Colo do Útero/prevenção & controleRESUMO
Introduction: This study assessed the relationship between intention to receive a COVID-19 vaccine and intention to receive a seasonal influenza vaccine, as well as how intention to receive a COVID-19 vaccine has changed during the pandemic. Methods: Residents of British Columbia aged 25-69 years were invited to complete an online cross-sectional survey from August 2020 - March 2021. Mixed-effects logistic regression models assessed the relationship between intention to receive a COVID-19 vaccine and intention to receive the seasonal influenza vaccine. A generalized additive mixed model was used to investigate changes in COVID-19 vaccine intention during the pandemic (August 2020-March 2021). The relationship between intention to receive a COVID-19 vaccine and retrospective overall perceived value of vaccines prior to and during the pandemic was also considered. Results: Of 6,333 participants, 80.2 % of participants were 'somewhat or very likely' to receive a COVID-19 vaccine and 69 % of participants reported intending to receive a seasonal influenza vaccine. In multivariable modeling, intention to receive a COVID-19 vaccine was strongly associated with intention to receive a seasonal influenza vaccine (aOR = 4.25, 95 %CI 3.33-5.43). Intention to receive a COVID-19 vaccine increased over the study period (p < 0.0001), with the largest increase coinciding with the announcement of forthcoming approvals of COVID-19 vaccines in November 2020 (aOR = 1.45, 95 %CI 1.11-1.91). Conclusion: Intention to receive the COVID-19 vaccine was associated seasonal influenza vaccine intention, which is an important relationship to measure for implementation and future planning of COVID-19 booster doses. We found an increase in the intention to receive a COVID-19 vaccine after public announcements of forthcoming vaccine approval, which highlights the importance of ongoing monitoring and reporting of vaccine uptake, and the potential impact of emerging vaccine safety and efficacy information may have on vaccine acceptance.
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OBJECTIVES: Gathering population-based data on prevalence of SARS-CoV-2 infection is vital to the public health response and planning. Current seroprevalence data in BC are limited with respect to considerations of how socioeconomic and demographic factors, such as age, sex, gender, income, identifying as a visibility minority and occupation, are related to SARS-CoV-2 antibody detection due to infection-acquired immunity. We aimed to estimate the SARS-CoV-2 seropositivity in a cohort of British Columbians, using at-home self-collected dried blood spot (DBS) samples. DESIGN: This cross-sectional study included online surveys that collected sociodemographic and COVID-19 vaccine receipt information, and an at-home DBS collection kit. SETTING: British Columbia (BC), Canada. PARTICIPANTS: Eligible participants were aged 25-69 years and residents of BC. PRIMARY OUTCOME MEASURE: SARS-CoV-2 anti-spike IgG antibody detection in unvaccinated individuals. Adjusted incidence rate ratios (aIRR) explored factors associated with seropositivity. RESULTS: SARS-CoV-2 serology was performed on a total of 4048 unvaccinated participants 25-69 years of age who submitted DBS samples taken from November 2020 to June 2021. A total of 118 seropositive cases were identified, for an estimated overall seropositivity of 2.92% (95% CI 2.42% to 3.48%). Participants identifying as a visible minority had a higher seropositivity, 5.1% vs 2.6% (p=0.003), compared with non-visible minority participants. After adjustment by age and sex, identifying as a visible minority (aIRR=1.85, 95% CI 1.20 to 2.84) remained the only significant factor associated with SARS-CoV-2 antibody detection in this cohort of unvaccinated individuals. CONCLUSIONS: SARS-CoV-2 seropositivity in the BC population due to infection-acquired immunity was low. Seropositivity indicated that among those unvaccinated, visible minority communities have been most impacted. Continued monitoring of SARS-CoV-2 serology due to both infection-acquired and vaccine-acquired immunity will be vital in public health planning and pandemic response.
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COVID-19 , SARS-CoV-2 , Adulto , Idoso , Anticorpos Antivirais , Colúmbia Britânica/epidemiologia , COVID-19/epidemiologia , Vacinas contra COVID-19 , Estudos Transversais , Humanos , Pessoa de Meia-Idade , Estudos SoroepidemiológicosRESUMO
BACKGROUND: To control the COVID-19 pandemic high vaccine acceptability and uptake will be needed. Teachers represent a priority population to minimize social disruption and ensure continuity in education, which is vital for the well-being and healthy development of youth during the pandemic. The objective of this analysis was to measure public school teachers' intentions to receive a COVID-19 vaccine in British Columbia (BC), Canada. METHODS: A population-wide cross-sectional online survey from August to November 2020 asked all BC public school teachers with an available email address how likely they were to receive a COVID-19 vaccine. Two multivariable logistic regression models explored separately sociodemographic and vaccine hesitancy predictors for intention to receive a COVID-19 vaccine. RESULTS: A total of 5,076 teachers participated. The majority, 89.7%, reported they were likely or very likely to accept a COVID-19 vaccine. In multivariable regression, sociodemographic predictors of intention to be vaccinated included being male, having an educational background in science or engineering, and using reliable information sources on vaccination such as public health and health care providers. Teachers who reported lower levels of vaccine hesitancy, higher general vaccine knowledge, and belief that COVID-19 was a serious illness were more likely to intend to receive a COVID-19 vaccine. CONCLUSION: A high proportion of public-school teachers in BC intend to receive a COVID-19 vaccine. Continued monitoring of vaccine intentions will be important to inform public health vaccine implementation.
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OBJECTIVE: To study participant's acceptability of and attitudes towards human papillomavirus (HPV) testing compared with cytology for cervical cancer screening and what impact having an HPV positive result may have in future acceptability of screening. DESIGN: Cross-sectional online survey of clinical trial participants. SETTING: Primary care, population-based Cervix Screening Program, British Columbia, Canada. PARTICIPANTS: A total of 5532 participants from the HPV FOCAL trial, in which women received HPV and cytology testing at study exit, were included in the analysis. Median age was 54 years. The median time of survey completion was 3 years after trial exit. OUTCOME MEASURES: Acceptability of HPV testing for primary cervical cancer screening (primary); attitudes and patient perceptions towards HPV testing and receipt of HPV positive screen results (secondary). RESULTS: Most respondents (63%) were accepting of HPV testing, with the majority (69%) accepting screening to begin at age 30 years with HPV testing. Only half of participants (54%) were accepting of an extended screening interval of 4-5 years. In multivariable logistic regression, women who received an HPV positive screen test result during the trial (OR=1.41 95% CI 1.11 to 1.80) or were older (OR=1.01, 95% CI 1.00 to 1.02) were more likely to report HPV testing as acceptable. CONCLUSIONS: In this evaluation of acceptability and attitudes regarding HPV testing for cervix screening, most are accepting of HPV testing for screening; however, findings indicate heterogeneity in concerns and experiences surrounding HPV testing and receipt of HPV positive results. These findings provide insights for the development of education, information and communication strategies during implementation of HPV-based cervical cancer screening. TRIAL REGISTRATION NUMBERS: ISRCTN79347302 and NCT00461760.
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Alphapapillomavirus , Infecções por Papillomavirus , Displasia do Colo do Útero , Neoplasias do Colo do Útero , Adulto , Colúmbia Britânica , Estudos Transversais , Detecção Precoce de Câncer , Feminino , Humanos , Programas de Rastreamento , Pessoa de Meia-Idade , Papillomaviridae , Infecções por Papillomavirus/diagnóstico , Neoplasias do Colo do Útero/diagnóstico , Esfregaço VaginalRESUMO
OBJECTIVE: To determine the sexually transmitted infection (STI) vaccine research priorities of global leaders in STI vaccine research, development, and service provision. METHODS: Global representatives attending the STI Vaccines: Opportunities for Research, Development, and Implementation symposium preceding the STI & HIV World Congress in 2019 were invited to complete an electronic survey. We asked participants to rank items by importance/priority for STI vaccine development for the following areas of focus: specific STIs (gonorrhea, chlamydia, syphilis, herpes, and trichomoniasis), broad research domains (basic science, funding, communication, program planning, and vaccine hesitancy), and specific research activities related to these domains. We calculated weighted value scores based on the ranking (e.g., first, second, third) and the total number of responses in order to produce a ranked list of the priorities. RESULTS: A total of 46 out of 97 (44%) symposium attendees responded to the survey. Gonorrhea was identified as the STI that should be prioritized for vaccine development, followed by syphilis with weighted value scores of 3.82 and 3.37, respectively, out of a maximum of five. Basic science (and vaccine development) was the domain ranked with the highest priority with a weighted value score of 4.78 out of six. Research activities related to basic science and vaccine development (including pre-clinical and clinical trials, and surveillance measures) and increased funding opportunities were the most highly ranked activities in the "STI vaccine development" and "research domains and activities" categories. CONCLUSION: Global leaders in attendance at the STI Vaccines symposium prioritized continued scientific work in vaccine development and program planning. Gonorrhea was identified as the highest priority infection, followed by syphilis.
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A patient's understanding and use of healthcare information can affect their decisions regarding treatment. Better patient understanding about HIV resistance may improve adherence to therapy, decrease population viral load and extend the use of first-line HIV therapies. We examined knowledge of developing HIV resistance and explored treatment outcomes in a cohort of HIV+ persons on highly active antiretroviral therapy (HAART). The longitudinal investigations into supportive and ancillary health services (LISA) cohort is a prospective study of HIV+ persons on HAART. A comprehensive interviewer-administrated survey collected socio-demographic variables. Drug resistance knowledge was determined using a three-part definition. Clinical markers were collected through linkage with the Drug Treatment Program (DTP) at the British Columbia Centre for Excellence in HIV/AIDS. Categorical variables were compared using Fisher's Exact Test and continuous variables using the Wilcoxon rank-sum test. Proportional odds logistic regression was performed for the adjusted multivariable analysis. Of 457 LISA participants, less than 4% completely defined HIV resistance and 20% reported that they had not discussed resistance with their physician. Overall, 61% of the cohort is >or=95% adherent based on prescription refills. Owing to small numbers pooling was preformed for analyses. The model showed that being younger (OR=0.97, 95% CI: 0.95-0.99), having greater than high school education (OR=1.64, 95% CI: 1.07-2.51), discussing medication with physicians (OR=3.67, 95% CI: 1.76-7.64), having high provider trust (OR=1.02, 95% CI: 1.01-1.03), and receiving one-to-one counseling by a pharmacist (OR=2.14, 95% CI: 1.41-3.24) are predictive of a complete or partial definition of HIV resistance. The probability of completely defining HIV resistance increased from 15.8 to 63.9% if respondents had discussed HIV medication with both a physician and a pharmacist. Although the understanding of HIV resistance showed no differences in treatment outcomes in this cohort, overall adherence and complete understanding of HIV resistance were low. If patient understanding could be improved through discussions with physicians and pharmacists, potential exists to enhance overall adherence and treatment outcomes.
Assuntos
Compreensão , Farmacorresistência Viral , Soropositividade para HIV/tratamento farmacológico , HIV/efeitos dos fármacos , Adulto , Terapia Antirretroviral de Alta Atividade/psicologia , Colúmbia Britânica , Feminino , Soropositividade para HIV/psicologia , Educação em Saúde/métodos , Humanos , Modelos Logísticos , Masculino , Adesão à Medicação/estatística & dados numéricos , Pessoa de Meia-Idade , Inquéritos e Questionários , Resultado do TratamentoRESUMO
PURPOSE: The addition of human papillomavirus (HPV) testing to primary cervical cancer screening provides an opportunity to employ less invasive cervical cancer screening modalities. The objective of this study was to explore the initial reaction and perception to HPV self-collected testing, in the context of current barriers and facilitators to cervical cancer screening, among women in an underscreened community in rural Ontario. METHODS: Age-stratified focus groups were conducted with women 18-70 years of age in rural Ontario to discuss cervical cancer screening. Women were recruited using purposive sampling of underscreened women and women in the general community. Qualitative thematic analysis of focus group transcripts identified the barriers, facilitators, and role of HPV self-collected testing for cervical cancer screening. RESULTS: Four focus groups were conducted with a total of 25 women. Overall, women were very positive toward self-collected HPV testing. HPV self-collected testing was felt to address many of the logistical (eg, inconvenient clinic hours, lack of time) and procedural barriers (embarrassment, lack of social distance in a small town) to current screening practices. However, self-collected HPV testing does not address barriers related to cervical cancer knowledge (eg, fear of cancer). Women identified issues related to test reliability, confidence in the ability to self-collect, and education around testing that would need to be addressed prior to implementation. Generational differences were noted in the acceptability of self-collected HPV testing between older and younger women. CONCLUSIONS: HPV self-collected testing was perceived as a facilitator for screening, and it was well accepted in this rural community.
Assuntos
Programas de Rastreamento/métodos , Infecções por Papillomavirus/diagnóstico , Aceitação pelo Paciente de Cuidados de Saúde/psicologia , População Rural , Neoplasias do Colo do Útero/diagnóstico , Adolescente , Adulto , Fatores Etários , Idoso , Detecção Precoce de Câncer/métodos , Medo , Feminino , Grupos Focais , Conhecimentos, Atitudes e Prática em Saúde , Humanos , Programas de Rastreamento/psicologia , Pessoa de Meia-Idade , Ontário , Reprodutibilidade dos Testes , Autoeficácia , Fatores de Tempo , Neoplasias do Colo do Útero/virologia , Esfregaço Vaginal , Adulto JovemRESUMO
PURPOSE: An increasing cancer burden among indigenous populations has led to a growing literature about survival disparities between indigenous and nonindigenous persons. We aim to describe and appraise methods used to measure cancer survival in indigenous persons in the United States, Canada, Australia, and New Zealand. METHODS: We searched Medline, Web of Science, and EMBASE for articles published between 1990 and 2015 that estimated survival in populations indigenous to one of these four countries. We gathered information about data sources, analytical methods, and the extent to which threats to validity were discussed. RESULTS: The search retrieved 83 articles. The most common approach to survival analysis was cause-specific survival (n = 49). Thirty-eight articles measured all-cause survival and 11 measured excess mortality attributable to cancer (relative survival). Three sources of information bias common to all studies (ethnic misclassification, incomplete case ascertainment, and incomplete death ascertainment) were acknowledged in a minority of articles. CONCLUSIONS: The methodological considerations we present here are shared with studies of cancer survival across other subpopulations. We urge future researchers on this and related topics to clearly describe their data sources, to justify analytic choices, and to fully discuss the potential impact of those choices on the results and interpretation.