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1.
Subst Use Misuse ; 59(8): 1174-1181, 2024.
Artigo em Inglês | MEDLINE | ID: mdl-38509704

RESUMO

BACKGROUND: Community concerns surrounding syringe waste are a common barrier to syringe services program (SSP) implementation. In Kanawha County, West Virginia, community opposition to SSPs resulted in the closure of needs-based SSPs prior to and during an HIV outbreak among persons who inject drugs (PWID). This qualitative analysis examines views of PWID and community partners on syringe waste and disposal associated with needs-based SSPs. METHODS: Qualitative interviews with 26 PWID and 45 community partners (medical and social service providers, law enforcement personnel, policymakers, and religious leaders) were conducted. Interviews were recorded, transcribed, and coded. Code summaries described participants' views on syringe waste and disposal and needs-based SSPs. RESULTS: Community partners and PWID who favored needs-based SSPs reported that needs-based SSPs had not affected or reduced syringe waste. Conversely, community partners who favored one-to-one exchange models and/or barcoded syringes described needs-based SSPs increasing syringe waste. Community partners often cited pervasive community beliefs that SSPs increased syringe waste, risk of needlesticks, drug use, and crime. Community partners were unsure how to address syringe waste concerns and emphasized that contradictory views on syringe waste posed barriers to discussing and implementing SSPs. CONCLUSIONS: Participants' views on whether syringe waste was associated with needs-based SSPs often aligned with their support or opposition for needs-based SSPs. These differing views resulted in challenges finding common ground to discuss SSP operations amid an HIV outbreak among PWID. SSPs might consider addressing syringe waste concerns by expanding syringe disposal efforts and implementing community engagement and stigma reduction activities.


Assuntos
Programas de Troca de Agulhas , Abuso de Substâncias por Via Intravenosa , Humanos , Abuso de Substâncias por Via Intravenosa/psicologia , Abuso de Substâncias por Via Intravenosa/epidemiologia , Feminino , Masculino , Adulto , Seringas , Infecções por HIV/prevenção & controle , West Virginia/epidemiologia , Pessoa de Meia-Idade , Pesquisa Qualitativa
2.
Electrophoresis ; 2024 Mar 22.
Artigo em Inglês | MEDLINE | ID: mdl-38517249

RESUMO

The analysis of cell electrophysiology for pathogenic samples at BSL3 can be problematic. It is virtually impossible to isolate infected from uninfected without a label, for example green fluorescent protein, which can potentially alter the cell electrical properties. Furthermore, the measurement of highly pathogenic organisms often requires equipment dedicated only for use with these organisms due to safety considerations. To address this, we have used dielectrophoresis to study the electrical properties of the human THP-1 cell line and monocyte-derived macrophages before and after infection with non-labelled Mycobacterium tuberculosis. Infection with these highly pathogenic bacilli resulted in changes including a raised surface conductance (associated with reduced zeta potential) and increased capacitance, suggesting an increase in surface roughness. We have also investigated the effect of fixation on THP-1 cells as a means to enable study on fixed samples in BSL1 or 2 laboratories, which suggests that the properties of these cells are largely unaffected by the fixation process. This advance results in a novel technique enabling the isolation of infected and non-infected cells in a sample without labelling.

3.
AIDS Behav ; 28(2): 669-681, 2024 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-38165598

RESUMO

In response to an increase in HIV diagnoses among persons who inject drugs (PWID) in Kanawha County, West Virginia, West Virginia Bureau for Public Health and CDC conducted a qualitative assessment in Kanawha County to inform HIV outbreak response activities. Interviews with 26 PWID and 45 community partners were completed. Transcribed interviews were analyzed to identify barriers to accessing HIV prevention services among PWID using the risk environment framework. Participants identified numerous political, physical, social, and economic community-level barriers that influenced access to HIV prevention services among PWID. Political factors included low community support for syringe services programs (SSPs); physical factors included low SSP coverage, low coverage of HIV testing outreach events, low HIV preexposure prophylaxis availability, and homelessness; social factors included stigma and discrimination; economic factors included community beliefs that SSPs negatively affect economic investments and limited resources for HIV screening in clinical settings. Individual-level barriers included co-occurring acute medical conditions and mental illness. Community-level interventions, such as low-barrier one-stop shop models, are needed to increase access to sterile syringes through comprehensive harm reduction services.


Assuntos
Usuários de Drogas , Infecções por HIV , Abuso de Substâncias por Via Intravenosa , Humanos , Abuso de Substâncias por Via Intravenosa/complicações , Abuso de Substâncias por Via Intravenosa/epidemiologia , Infecções por HIV/diagnóstico , Infecções por HIV/epidemiologia , Infecções por HIV/prevenção & controle , West Virginia/epidemiologia , Surtos de Doenças , Programas de Troca de Agulhas
4.
Microbiol Spectr ; : e0187023, 2023 Sep 25.
Artigo em Inglês | MEDLINE | ID: mdl-37747195

RESUMO

Biocoatings, in which viable bacteria are immobilized within a waterborne polymer coating for a wide range of potential applications, have garnered greater interest in recent years. In bioreactors, biocoatings can be ready-to-use alternatives for carbon capture or biofuel production that could be reused multiple times. Here, we have immobilized cyanobacteria in mechanically hard biocoatings, which were deposited from polymer colloids in water (i.e., latex). The biocoatings are formed upon heating to 37°C and fully dried before rehydrating. The viability and oxygen evolution of three cyanobacterial species within the biocoatings were compared. Synechococcus sp. PCC 7002 was non-viable inside the biocoatings immediately after drying, whereas Synechocystis sp. PCC 6803 survived the coating formation, as shown by an adenosine triphosphate (ATP) assay. Synechocystis sp. PCC 6803 consumed oxygen (by cell respiration) for up to 5 days, but was unable to perform photosynthesis, as indicated by a lack of oxygen evolution. However, Chroococcidiopsis cubana PCC 7433, a strain of desiccation-resistant extremophilic cyanobacteria, survived and performed photosynthesis and carbon capture within the biocoating, with specific rates of oxygen evolution up to 0.4 g of oxygen/g of biomass per day. Continuous measurements of dissolved oxygen were carried out over a month and showed no sign of decreasing activity. Extremophilic cyanobacteria are viable in a variety of environments, making them ideal candidates for use in biocoatings and other biotechnology. IMPORTANCE As water has become a precious resource, there is a growing need for less water-intensive use of microorganisms, while avoiding desiccation stress. Mechanically robust, ready-to-use biocoatings or "living paints" (a type of artificial biofilm consisting of a synthetic matrix containing functional bacteria) represent a novel way to address these issues. Here, we describe the revolutionary, first-ever use of an extremophilic cyanobacterium (Chroococcidiopsis cubana PCC 7433) in biocoatings, which were able to produce high levels of oxygen and carbon capture for at least 1 month despite complete desiccation and subsequent rehydration. Beyond culturing viable bacteria with reduced water resources, this pioneering use of extremophiles in biocoatings could be further developed for a variety of applications, including carbon capture, wastewater treatment and biofuel production.

5.
Front Microbiol ; 14: 1191968, 2023.
Artigo em Inglês | MEDLINE | ID: mdl-37415820

RESUMO

Introduction: Antibiotic persistence (subpopulation tolerance) occurs when a subpopulation of antibiotic sensitive cells survives prolonged exposure to a bactericidal concentration of an antibiotic, and is capable of regrowth once the antibiotic is removed. This phenomenon has been shown to contribute to prolonged treatment duration, infection recurrence, and accelerated development of genetic resistance. Currently, there are no biomarkers which would allow for segregation of these antibiotic-tolerant cells from the bulk population prior to antibiotic exposure, limiting research on this phenomenon to retrograde analyses. However, it has been previously shown that persisters often have a dysregulated intracellular redox homeostasis, warranting its investigation as a potential marker for antibiotic tolerance. Furthermore, it is currently unknown whether another antibiotic tolerant subpopulation - viable but non-culturable cells (VBNCs), are simply persisters with extreme lag phase, or are formed through separate pathways. VBNCs similarly to persisters remain viable following antibiotic exposure, however, are not capable of regrowth in standard conditions. Methods: In this article we employed an NADH:NAD+ biosensor (Peredox) to investigate NADH homeostasis of ciprofloxacin-tolerant E. coli cells on a single-cell level. [NADH:NAD+] was used as a proxy for measuring intracellular redox homeostasis and respiration rate. Results and Discussion: First, we demonstrated that ciprofloxacin exposure results in a high number of VBNCs, several orders of magnitude higher than persisters. However, we found no correlation in the frequencies of persister and VBNC subpopulations. Ciprofloxacin-tolerant cells (persisters & VBNCs) were actively undergoing respiration, although at a significantly lower rate on average when compared to the bulk population. We also noted significant heterogeneity on a single-cell level within the subpopulations, however were unable to segregate persisters from VBNCs based on these observations alone. Finally, we showed that in the highly-persistent strain of E. coli, E. coli HipQ, ciprofloxacin-tolerant cells have a significantly lower [NADH:NAD+] ratio than tolerant cells of its parental strain, providing further link between disturbed NADH homeostasis and antibiotic tolerance.

6.
Front Cell Infect Microbiol ; 13: 1125079, 2023.
Artigo em Inglês | MEDLINE | ID: mdl-37077529

RESUMO

In low-resource settings with high tuberculosis (TB) burdens, lack of rapid diagnostic methods for detection and differentiation of Mycobacterium tuberculosis complex (MTBC) is a major challenge affecting TB management. This study utilized comparative genomic analyses of MTBC lineages; M. tuberculosis, M. africanum Lineages 5/6 and M. bovis to identify lineage-specific genes. Primers were designed for the development of a Multiplex PCR assay which was successful in differentiating the MTBC lineages. There was no cross-reaction with other respiratory pathogens tested. Validation of the assay using clinical samples was performed with sputum DNA extracts from 341 clinically confirmed active TB patients. It was observed that 24.9% of cases were caused by M. tuberculosis, while M. africanum L5 & L6 reported 9.0% and 14.4%, respectively. M. bovis infection was the least frequently detected lineage with 1.8%. Also, 27.0% and 17.0% of the cases were PCR negative and unspeciated, respectively. However, mixed-lineage TB infections were recorded at a surprising 5.9%. This multiplex PCR assay will allow speciation of MTBC lineages in low-resource regions, providing rapid differentiation of TB infections to select appropriate medication at the earliest possible time point. It will also be useful in epidemiological surveillance studies providing reliable information on the prevalence of TB lineages as well as identifying difficult to treat cases of mixed-lineage tuberculosis infections.


Assuntos
Tuberculose Latente , Mycobacterium tuberculosis , Tuberculose , Humanos , Mycobacterium tuberculosis/genética , Reação em Cadeia da Polimerase Multiplex/métodos , Gana/epidemiologia , Tuberculose/diagnóstico , Tuberculose/epidemiologia , Tuberculose/microbiologia
7.
PLoS One ; 18(4): e0284985, 2023.
Artigo em Inglês | MEDLINE | ID: mdl-37093881

RESUMO

BACKGROUND: The use of motor tricycles in transporting municipal solid waste (MSW) within urban and peri-urban towns in Ghana is on the increase. This activity often leads to the introduction of pathogen-containing bioaerosols into the environment, as well as to the tricycle operators. We sought to investigate the prevalence and associated risk factors of respiratory pathogens among solid waste tricycle operators. METHODS: A cross-sectional study was conducted among 155 solid waste transporters who use motor tricycles using semi-structured interviews. Nasopharyngeal swabs were obtained from participants and screened for respiratory pathogens using Polymerase Chain Reaction (PCR). RESULTS: Pathogens detected in participants were SARS-CoV-2 (n = 10, 6.5%) and Streptococcus pneumoniae (n = 10, 6.5%), constituting an overall prevalence of 12.9% and co-infection rate of 1.3%. The most common self-reported symptoms were cough (n = 67, 43.2%), sore throat (n = 44, 28.4%) and difficulty in breathing (n = 22, 14.2%). Adherence to the use of gloves (n = 117, 75.5%) and nose mask (n = 110, 71.0%) was high. There was a significant association between the detection of respiratory pathogens and the use of gloves, use of more than one PPE and exposure to other pollutants (p < 0.05). Individuals who were exposed to "other pollutants" significantly had lower odds of becoming infected with respiratory pathogens (Adj. OR (95% CI): 0.119(0.015,0.938). CONCLUSION: Although prevalence of respiratory pathogens is generally low, strict adherence to PPE use could further reduce its rates to even lower levels. Governmental health institutions and informal solid waste transporters should address challenges related to exposure to pollutants, use of gloves, and multiple PPE.


Assuntos
COVID-19 , Resíduos Sólidos , Humanos , SARS-CoV-2 , Gana , Estudos Transversais , Autorrelato
8.
Clin Infect Dis ; 76(3): e752-e754, 2023 02 08.
Artigo em Inglês | MEDLINE | ID: mdl-35903004

RESUMO

Of 65 cases during a human immunodeficiency virus (HIV) outbreak among persons who inject drugs (PWID) in West Virginia (2019-2021), 61 (94%) had hepatitis C diagnosed a median of 46 months prior to HIV diagnosis. Hepatitis C diagnosis among PWID should trigger improved access to prevention and treatment services.


Assuntos
Usuários de Drogas , Infecções por HIV , Hepatite C , Abuso de Substâncias por Via Intravenosa , Humanos , Hepacivirus , HIV , Abuso de Substâncias por Via Intravenosa/complicações , Abuso de Substâncias por Via Intravenosa/epidemiologia , West Virginia/epidemiologia , Infecções por HIV/complicações , Infecções por HIV/epidemiologia , Infecções por HIV/diagnóstico , Hepatite C/epidemiologia , Surtos de Doenças
10.
J Child Fam Stud ; 31(7): 1838-1858, 2022.
Artigo em Inglês | MEDLINE | ID: mdl-35611068

RESUMO

This qualitative case study describes three adult siblings' experiences and their perceptions of support connected with the time before and after their father's suicide. At the time of the suicide, participants were ages 1, 5, and 8 years old. We considered commonalities and disparities among the three survivors' perceptions. We also considered how their reported experiences compared to extant literature on child survivors of parent suicide. Our findings suggest that, although the siblings experienced the same traumatic event, each had unique perceptions of the parent's suicide. Immediately prior to closing each interview, to deescalate from the intense topic of suicide, participants offered their impressions of potentially therapeutic children's books and how bibliotherapy may or may not support surviving children. Participants' perceptions of selected children's picture books offer insights about opening communication and addressing challenges specific to a parent's suicide. Implications for teachers, parents, and school-based mental health professionals are provided. We conclude that postvention must consider and monitor each child's perceptions and provide individualized interventions that encourage open communication and support adaptive coping to navigate the intense grief associated with a parent's suicide.

11.
Front Cell Infect Microbiol ; 12: 816615, 2022.
Artigo em Inglês | MEDLINE | ID: mdl-35419298

RESUMO

Mycobacterium abscessus complex (MABC) is an important pathogen of immunocompromised patients. Accurate and rapid determination of MABC at the subspecies level is vital for optimal antibiotic therapy. Here we have used comparative genomics to design MABC subspecies-specific PCR assays. Analysis of single nucleotide polymorphisms and core genome multilocus sequence typing showed clustering of genomes into three distinct clusters representing the MABC subspecies M. abscessus, M. bolletii and M. massiliense. Pangenome analysis of 318 MABC genomes from the three subspecies allowed for the identification of 15 MABC subspecies-specific genes. In silico testing of primer sets against 1,663 publicly available MABC genomes and 66 other closely related Mycobacterium genomes showed that all assays had >97% sensitivity and >98% specificity. Subsequent experimental validation of two subspecies-specific genes each showed the PCR assays worked well in individual and multiplex format with no false-positivity with 5 other mycobacteria of clinical importance. In conclusion, we have developed a rapid, accurate, multiplex PCR-assay for discriminating MABC subspecies that could improve their detection, diagnosis and inform correct treatment choice.


Assuntos
Infecções por Mycobacterium não Tuberculosas , Mycobacterium abscessus , Mycobacterium , Antibacterianos , Genômica , Humanos , Reação em Cadeia da Polimerase Multiplex , Mycobacterium/genética , Infecções por Mycobacterium não Tuberculosas/diagnóstico , Infecções por Mycobacterium não Tuberculosas/microbiologia , Mycobacterium abscessus/genética
12.
MMWR Morb Mortal Wkly Rep ; 71(2): 66-68, 2022 Jan 14.
Artigo em Inglês | MEDLINE | ID: mdl-35025854

RESUMO

During October 2019, the West Virginia Bureau for Public Health (WVBPH) noted that an increasing number of persons who inject drugs (PWID) in Kanawha County received a diagnosis of HIV. The number of HIV diagnoses among PWID increased from less than five annually during 2016-2018 to 11 during January-October 2019 (Figure). Kanawha County (with an approximate population of 180,000*) has high rates of opioid use disorder and overdose deaths, which have been increasing since 2016,† and the county is located near Cabell County, which experienced an HIV outbreak among PWID during 2018-2019 (1,2). In response to the increase in HIV diagnoses among PWID in 2019, WVBPH released a Health Advisory§; and WVBPH and Kanawha-Charleston Health Department (KCHD) convened an HIV task force, conducted care coordination meetings, received CDC remote assistance to support response activities, and expanded HIV testing and outreach.


Assuntos
Surtos de Doenças , Usuários de Drogas , Infecções por HIV/epidemiologia , Adulto , Feminino , Humanos , Masculino , Abuso de Substâncias por Via Intravenosa/epidemiologia , West Virginia/epidemiologia
13.
Aust N Z J Psychiatry ; 56(10): 1344-1356, 2022 10.
Artigo em Inglês | MEDLINE | ID: mdl-34823376

RESUMO

OBJECTIVE: Post-traumatic stress disorder following injuries unrelated to mass casualty events has received little research attention in New Zealand. Internationally, most studies investigating predictors of post-injury post-traumatic stress disorder focus on hospitalised patients although most survivors are not hospitalised. We compared the prevalence and predictors of symptoms suggestive of post-traumatic stress disorder 12 months following injury among hospitalised and non-hospitalised entitlement claimants in New Zealand's Accident Compensation Corporation. This government-funded universal no-fault insurance scheme replaced tort-based compensation for injuries in 1974 since when civil litigation (which can bias post-traumatic stress disorder estimates) has been rare. METHODS: A total of 2220 Accident Compensation Corporation claimants aged 18-64 years recruited to the Prospective Outcomes of Injury Study were interviewed at 12 months post-injury to identify symptoms suggestive of post-traumatic stress disorder using the Impact of Events Scale. Multivariable models examined the extent to which baseline sociodemographic, injury, health status and service interaction factors predicted the risk of post-traumatic stress disorder symptoms among hospitalised and non-hospitalised groups. RESULTS: Symptoms suggestive of post-traumatic stress disorder were reported by 17% of hospitalised and 12% of non-hospitalised participants. Perceived threat to life at the time of the injury doubled this risk among hospitalised (adjusted relative risk: 2.0; 95% confidence interval: 1.2-3.2) and non-hospitalised (relative risk: 1.8; 95% confidence interval: 1.2-2.8) participants. Among hospitalised participants, other predictors included female gender, Pacific and 'other' minority ethnic groups, pre-injury depressive symptoms, financial insecurity and perceived inadequacies in healthcare interactions, specifically information and time to discuss problems. Among non-hospitalised survivors, predictors included smoking, hazardous drinking, assault and poor expectations of recovery. CONCLUSION: One in six hospitalised and one in eight non-hospitalised people reported post-traumatic stress disorder symptoms 12 months following injury. Perceived threat to life was a strong predictor of this risk in both groups. Identifying early predictors of post-traumatic stress disorder, regardless of whether the injury required hospitalisation, could help target tailored interventions that can reduce longer-term psychosocial morbidity.


Assuntos
Transtornos de Estresse Pós-Traumáticos , Ferimentos e Lesões , Feminino , Hospitalização , Humanos , Nova Zelândia/epidemiologia , Prevalência , Estudos Prospectivos , Transtornos de Estresse Pós-Traumáticos/diagnóstico , Transtornos de Estresse Pós-Traumáticos/epidemiologia , Ferimentos e Lesões/epidemiologia
14.
Death Stud ; 46(4): 791-802, 2022.
Artigo em Inglês | MEDLINE | ID: mdl-31829110

RESUMO

Children who experience a parent's suicide are vulnerable to an increased risk for mental health disorders and suicide attempts. In this study, 17 adults, each a child survivor of their parent's suicide, shared their perceptions of support following the suicide. Helpful experiences included opening communication about suicide and offering individualized support. Unhelpful experiences included judgment and blame, silence regarding suicide, and a heightened awareness of the surviving parent's challenges. Individuals most helpful in meeting the child's needs included those with preexisting relationships. In particular, our findings emphasize the critical need for honest, open, and age-appropriate communication about the parent's suicide.


Assuntos
Família , Sobreviventes , Adulto , Criança , Comunicação , Família/psicologia , Humanos , Pais/psicologia
15.
Int J Appl Posit Psychol ; 7(1): 51-71, 2022.
Artigo em Inglês | MEDLINE | ID: mdl-34250221

RESUMO

Parental responsibility is often the focus of research and policy surrounding closing the attainment gap between low-income students and their wealthier peers. This article describes a pilot intervention programme which aimed to enable better parental support of their children with their schoolwork and educational engagement. Through interviews with the parents and facilitators involved with the pilot, this article provides an example of how strength-based interventions can promote parental engagement in education in marginalised groups, such as families considered disadvantaged. The programme consisted of six one-to-one sessions with 25 parents. Semi-structured interviews with five parents and four facilitators revealed that parents reported increased self-efficacy and confidence in supporting their children's education. Key features of the programme contributing to sustainable changes were the programmes person-centred approach and the use of strength-based strategies. The qualitative analysis provides only short-term accounts of behavioral change, but despite these shortcomings the results provide tentative evidence for the efficacy of a brief solution focused programme in supporting low-income parents' engagement. More research is needed using larger sample sizes with longer data collection periods.

16.
Artigo em Inglês | MEDLINE | ID: mdl-34769898

RESUMO

Each year in the United States, 7000 to 30,000 children experience their parent's suicide. Due to the stigma associated with suicide, feelings of guilt, and intense grief, surviving family members avoid talking about suicide. Over time, children struggle with confusion and intense emotions associated with their parent's suicide. In this study, seven adults, who reported being younger than six years old at the time of their father's suicide, participated in individual semi-structured interviews. Participants' responses highlight the challenges that young children face due to limited memories of their deceased parent. Interviews concluded with an opportunity for participants to review and express their impressions of 10 children's picture books. Participants offered impressions about how these books may or may not be helpful in supporting young child survivors. Implications for applied practice include considering how children's literature may open communication and assist children in navigating Worden's tasks of grief: (a) accepting the reality of their parent's death; (b) facing the grief and pain; (c) adapting to life changes due to their father's suicide, in particular adapting to altered family relationships; and (d) building memories of the deceased loved one, when possible, to ensure healthy attachment to the deceased parent. Participants' insights provide considerations for selecting children's literature for bibliotherapy. Due to young child survivors' increased risk for attempting and completing suicide, supporting child survivors of parent suicide not only addresses postvention needs but aligns with suicide prevention.


Assuntos
Biblioterapia , Prevenção ao Suicídio , Adaptação Psicológica , Adulto , Criança , Pré-Escolar , Pai , Pesar , Humanos , Masculino , Percepção , Sobreviventes , Estados Unidos
17.
Am J Prev Med ; 61(5 Suppl 1): S143-S150, 2021 11.
Artigo em Inglês | MEDLINE | ID: mdl-34686283

RESUMO

INTRODUCTION: In January 2019, the West Virginia Bureau for Public Health detected increased HIV diagnoses among people who inject drugs in Cabell County. Responding to HIV clusters and outbreaks is 1 of the 4 pillars of the Ending the HIV Epidemic in the U.S. initiative and requires activities from the Diagnose, Treat, and Prevent pillars. This article describes the design and implementation of a comprehensive response, featuring interventions from all pillars. METHODS: This study used West Virginia Bureau for Public Health data to identify HIV diagnoses during January 1, 2018-October 9, 2019 among (1) people who inject drugs linked to Cabell County, (2) their sex or injecting partners, or (3) others with an HIV sequence linked to Cabell County people who inject drugs. Surveillance data, including HIV-1 polymerase sequences, were analyzed to estimate the transmission rate and timing of infections using molecular clock phylogenetic analysis. Federal, state, and local partners designed and implemented a comprehensive response during January 2019-October 2019. RESULTS: Of 82 people identified in the outbreak, most were male (60%), were White (91%), and reported unstable housing (80%). In a large molecular cluster containing 56 of 60 (93%) available sequences, 93% of inferred transmissions occurred after January 1, 2018. HIV testing, HIV pre-exposure prophylaxis, and syringe services were rapidly expanded, leading to improved linkage to HIV care and viral suppression. CONCLUSIONS: Evidence of rapid transmission in this outbreak galvanized robust collaboration among federal, state, and local partners, leading to critical improvements in HIV prevention and care services. HIV outbreak response requires increased coordination and creativity to improve service delivery to people affected by rapid HIV transmission.


Assuntos
Infecções por HIV , Abuso de Substâncias por Via Intravenosa , Surtos de Doenças , Infecções por HIV/diagnóstico , Infecções por HIV/epidemiologia , Humanos , Masculino , Filogenia , Abuso de Substâncias por Via Intravenosa/epidemiologia , West Virginia/epidemiologia
18.
Health Info Libr J ; 38(2): 150-154, 2021 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-34051119

RESUMO

Health literacy is key to person-centred, preventative healthcare and is both a societal and individual responsibility. This feature describes work undertaken by Health Education England, the Community Health and Learning Foundation and NHS Library and Knowledge Services to raise awareness among NHS staff and other key partners of the impact of low health literacy. It highlights a range of health literacy resources and ideas for developing and adapting these tools for remote delivery during and post-pandemic. D.I.


Assuntos
Letramento em Saúde/tendências , Bibliotecas Médicas/tendências , Inglaterra , Humanos , Conhecimento , Medicina Estatal/organização & administração , Medicina Estatal/tendências
19.
J Assoc Genet Technol ; 46(3): 141-145, 2020.
Artigo em Inglês | MEDLINE | ID: mdl-32889803

RESUMO

OBJECTIVES: Whole-arm translocations are relatively rare among hematological malignancies. There are a few reports on der(18;21)(q10;q10). This is a recurrent but rare abnormality. Only about 11 cases harboring der(18;21)(q10;q10) have been reported. However, combined der(18;21) (q10;q10) and gain of chromosome 21 is even rarer, with only three cases reported. The previous cases were with AML, AML-M2, and aCML diagnosis. We report the first case of Ph-like, B-lymphoblastic leukemia (B-ALL) with +21 and der(18;21)(q10;q10) which resulted in loss of 18p and a gain of 21q. We address tumorigenesis and morphological characteristics of hematological malignancies involving der(18;21)(q10;q10), along with a review of the literature.

20.
Biomacromolecules ; 21(11): 4545-4558, 2020 11 09.
Artigo em Inglês | MEDLINE | ID: mdl-32584559

RESUMO

A biocoating confines nongrowing, metabolically active bacteria within a synthetic colloidal polymer (i.e., latex) film. Bacteria encapsulated inside biocoatings can perform useful functions, such as a biocatalyst in wastewater treatment. A biocoating needs to have a high permeability to allow a high rate of mass transfer for rehydration and the transport of both nutrients and metabolic products. It therefore requires an interconnected porous structure. Tuning the porosity architecture is a challenge. Here, we exploited rigid tubular nanoclays (halloysite) and nontoxic latex particles (with a relatively high glass transition temperature) as the colloidal "building blocks" to tailor the porosity inside biocoatings containing Escherichia coli bacteria as a model organism. Electron microscope images revealed inefficient packing of the rigid nanotubes and proved the existence of nanovoids along the halloysite/polymer interfaces. Single-cell observations using confocal laser scanning microscopy provided evidence for metabolic activity of the E. coli within the biocoatings through the expression of a yellow fluorescent protein. A custom-built apparatus was used to measure the permeability of a fluorescein sodium salt in the biocoatings. Whereas there was no measurable permeability in a coating made from only latex particles, the permeability coefficient of the composite biocoatings increased with increasing halloysite content up to a value of 1 × 10-4 m h-1. The effects of this increase in permeability was demonstrated through a specially developed resazurin reduction assay. Bacteria encapsulated in halloysite composite biocoatings had statistically significant higher metabolic activities in comparison to bacteria encapsulated in a nonoptimized coating made from latex particles alone.


Assuntos
Escherichia coli , Nanotubos , Argila , Viabilidade Microbiana , Porosidade
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