Hepatitis A, B, and C in Brazilian Afro-Descendant Communities from Northeast Brazil: A Seroepidemiological Survey.

Background: Viral hepatitis is a disease that is more prevalent among individuals residing in remote regions and in contexts of social vulnerability. The objective of this study was to ascertain the seroprevalence of hepatitis A (HAV), B (HBV), and C (HCV) in vulnerable communities in the rural area of São João do Piauí (SJP), northern Brazil.

Methods: Immunoenzymatic assays were employed to detect the presence of anti-HAV (total and IgM), HBsAg, anti-HBc, anti-HBs, and anti-HCV serological markers in serum samples.

Alcohol use disorder in people with infectious and chronic diseases and mental disorders: Brazil, 2015.

The study aimed to estimate the prevalence of alcohol use disorder (AUD) and associated factors in Brazilian adults that reported chronic noncommunicable diseases (NCDs), mental disorders (MDs), and infectious diseases (IDs). This was a secondary analysis of the 3rd National Survey on Drug Use by the Brazilian Population in which the principal outcome was presence of AUD. Prevalence of AUD was estimated for three subgroups: individuals that reported NCDs, MDs, and IDs.

Multiple substance use and associated factors in transgender women and travestis: findings from the TransOdara Study, Brazil.

Objective: To estimate the prevalence of concomitant substance consumption and analyze associated risk factors in a non-probabilistic sample of the Brazilian population of transgender women and travestis.

Methods: A cross-sectional study was conducted with recruitment via respondent-driven sampling. The sample included transgender women and travestis residing in São Paulo, Porto Alegre, Salvador, Manaus, and Campo Grande, aged 18 years or older, between 2019 and 2021.

Prevalence of HIV infection among transgender women and travestis in Brazil: data from the TransOdara study.

Objective: The aim of this study was to investigate the prevalence of human immunodeficiency virus (HIV) infection among transgender women and travestis and to analyze factors associated with HIV infection in Brazil.

Methods: TransOdara was a cross-sectional study on sexually transmitted infections among transgender women and travestis in five Brazilian cities between 2019 and 2021. Self-identified transgender women and travestis aged ≥18 years were recruited using respondent-driven sampling, completed an interviewer-led questionnaire, and provided samples to detect HIV.

TransOdara study: the challenge of integrating methods, settings and procedures during the COVID-19 pandemic in Brazil.

Objective: Sexually transmitted infections (STIs) disproportionately affect transgender women and travestis (TGW), who often lack access to healthcare due to stigma and discrimination. We describe the approach and methodology of a study investigating the prevalence of syphilis, HIV, hepatitis A, B, and C, Neisseria gonorrhoeae (NG), Chlamydia trachomatis (CT), and human papillomavirus (HPV) among TGW, as well as their knowledge and perceptions regarding syphilis, to better inform policies to curb STIs among this vulnerable population.

Methods: TransOdara was a multicentric, cross-sectional study conducted among TGW in five capital cities from major Brazilian regions between December 2019 and July 2021.

Barriers and facilitators for HIV rapid testing among transgender women and gay and other men who have sex with men in Brazil: A scoping review.

Transgender women (TGW) and men who have sex with other men (MSM) often encounter disparities in accessing HIV testing, leading to delayed diagnoses and worse prognoses. We analysed barriers and facilitators for accessing HIV rapid testing by TGW and MSM in Brazil, 2004-2023. Citations were included whether the study population consisted of individuals aged ≥18y old, and studies addressed HIV testing and have been conducted in Brazil.

Mapping projects for expanding rapid HIV testing in key populations, Brazil, 2004-2021.

The HIV/AIDS epidemic remains a persistent and real issue, especially in key populations such as men who have sex with men (MSM), travestis and transgender persons. Projects for expanding rapid HIV testing are strategic initiatives aimed at the earliest possible identification of individuals' serological status and thus early treatment, screening of sex partners, and upscaling of preventive actions to interrupt the transmission chain. This study thus maps, describes, and systematizes the projects for expanding rapid HIV testing implemented from 2004 to 2021 in Brazil, highlighting the on-going contribution of civil society organizations and discussing the interoperability and cooperation resulting from public governance processes.

Rising rates of paracoccidioidomycosis-related hospitalizations and in-hospital deaths, Rio de Janeiro, Brazil (2010-2019).

The epidemiological dynamics of paracoccidioidomycosis (PCM) has been changing over the years. We analyzed secondary public data from the Hospital Information System of the Brazilian Unified Health System (SIH/SUS), focusing on PCM-related hospitalizations and in-hospital deaths. In the period between 2010 and 2019, 396 hospitalizations and 30 deaths were related to PCM among 7 073 334 hospitalizations registered in Rio de Janeiro.

Association between in-country migration and HIV infection among transgender women from northeastern Brazil: a respondent-driven sampling survey.

Background: Migration is common among transgender women (TGW), often driven by the desire to escape stigma, find acceptance, establish new connections, access body modifications, or enter new avenues of sex work. Given the heightened mobility of TGW, they are mostly vulnerable to human immunodeficiency virus (HIV) due to migration. This study aimed to evaluate the association between in-country migration and HIV infection among TGW in Northeast Brazil.

Shift in hospital opioid use during the COVID-19 pandemic in Brazil: a time-series analysis of one million prescriptions.

The pronounced change in the profile of hospitalized patients during COVID-19 and the severe respiratory component of this disease, with a great need for mechanical ventilation, led to changes in the consumption pattern of some medicines and supplies. This time-series study analyzed the in-hospital consumption of opioids during the COVID-19 pandemic in 24 Brazilian hospitals compared to the pre-pandemic period. Data included 711,883 adult patients who had opioids prescribed.

Tobacco use by sexual and gender minorities: findings from a Brazilian national survey.

Objective: The study aims to identify the prevalence of use of tobacco products by sexual and gender minorities (SGM) in Brazil, the users' profile and associations between tobacco use and social and behavioural variables.

Methodology: The study used data from a representative nationwide household survey of the Brazilian population aged 12-65 years-the first one to address the issue of sexual orientation/gender identity. The study sample consisted of 15 801 individuals.

HIV prevalence among transgender women in Northeast Brazil - Findings from two Respondent Driven Sampling studies.

Background: The HIV epidemic still high among key-populations in Brazil, especially among transgender women (TGW). The aim of this study was to investigate the prevalence of HIV infection among TGW and to analyze factors associated with HIV seropositivity across two cross-sectional surveys conducted in Salvador, Bahia, one of the largest urban centers of Brazil.

Methods: The studies were conducted between 2014 and 2016 and 2016-2017 and employed Respondent-Driven Sampling (RDS) sampling, comprising 127 and 161 TGW residents of Salvador, Bahia.

Feasibility of dried blood spot for hepatitis C diagnosis in vulnerable subjects and people living in remote areas from Brazil.

Background: Agile, accessible and cheap diagnosis of hepatitis C virus (HCV) infection is essential to achieve the elimination of this infection, worldwide, as mandated by the World Health Organzation as part of its strategy for 2030. Dried blood spots (DBS) can be an attractive alternative for sample collection among people living in remote areas and vulnerable populations due to the less invasive collection, its biosafety, and storage & transportation of samples at room temperature.

Design: This study aims to estimate the usefulness of dried blood spot samples for the diagnosis and the assessment of HCV infection rates in three different settings in Brazil.

Factors associated with symptoms of major depression disorder among transgender women in Northeast Brazil.

Introduction: Transgender women (TGW) are one of the most vulnerable groups, including higher prevalence of HIV and mental health disorders, such as anxiety and depression than in the general population. Major Depression Disorder (MDD) is one of the most important mental health conditions due to an increasing trend in prevalence in the general population. This study aims at describing the prevalence of symptoms of MDD (SMDD) and associated factors among TGW in capitals of three States in Northeast Brazil.

Housing characteristics of crack cocaine users in Northeast Brazil, 2011-2013.

We compared sociodemographic characteristics, substance use patterns, sexual behavior, use of health services, and criminal records of homeless vs. domiciled users. Data are from the Brazilian National Survey on Crack Use.

A Spatial Analysis of the Spread of Hyperendemic Sporotrichosis in the State of Rio de Janeiro, Brazil.

Sporotrichosis is a subacute/chronic subcutaneous mycosis. Since the late 1990s, there has been a hyperendemic zoonotic transmission in the state of Rio de Janeiro, involving , the most virulent causative species, and a "belt" was described along the limits between the capital and its outskirts ("Baixada Fluminense"). This study analyzes the distribution of sporotrichosis using secondary data from the Notifiable Diseases Information System (Sinan) of the Rio de Janeiro State Health Department (SES/RJ) from 2011 to 2015 and from the INI Electronic Patient Record System (Sipec) from 2008 to 2015.

[Analysis of the national DST/Aids policy from the perspective of advocacy coalition framework (ACF)].

The success of the National STD/AIDS Program in Brazil is, to a great extent, associated with the multiplicity of social actors involved in the fight against AIDS. The scope of this article is to analyze the dynamics of changes occurring within the subsystem of national STD/AIDS policy in the light of the advocacy coalition framework (ACF) model. The study is based on documentary analysis of regulatory frameworks and interviews with key informants.

Performance of HCV Antigen Testing for the Diagnosis and Monitoring of Antiviral Treatment: A Systematic Review and Meta-Analysis.

Background And Aims: Active hepatitis C virus (HCV) infection is based on the detection of HCV RNA that it is effective but presents high cost and the need to hire trained personnel. This systematic review and meta-analysis is aimed at evaluating the diagnostic accuracy of HCV Ag testing to identify HCV cases and to monitor antiviral treatment including DAA treatment.

Methods: The studies were identified through a search in PubMed, Lilacs, and Scopus from 1990 through March 31, 2020.

Association between gender-based discrimination and medical visits and HIV testing in a large sample of transgender women in northeast Brazil.

Background: Gender-based discrimination remains a substantial barrier to health care access and HIV prevention among transgender women in Brazil. The aim of this study was to investigate the association between gender-based discrimination and medical visits, as well as with HIV testing among transgender women in the last 12 months in northeast Brazil.

Methods: This is a cross-sectional study of 864 transgender women recruited using Respondent-Driven Sampling in three cities in northeastern Brazil in 2016.

Polysubstance use in a Brazilian national sample: Correlates of co-use of alcohol and prescription drugs.

: Responses to problem substance use have largely focused on illicit drugs, but reports on rising prescription drug misuse worldwide raise questions about their combined use with alcohol and potential consequences. The current study assessed prevalence of alcohol in conjunction with nonmedical opioid and benzodiazepine use across a nationally representative sample of adults in Brazil. Cross-sectional data on prevalence were estimated from the 2015 Brazilian Household Survey on Substance Use.

Political discourse, denialism and leadership failure in Brazil's response to COVID-19.

The COVID-19 pandemic posed challenges for healthcare systems and political leaders across the globe. In this case study of Brazil, we argue that leadership failings at the highest level contributed to Brazil's relatively high and escalating death rates during 2020. Drawing on an analysis of a large amount of textual documentation drawn from media reports, we emphasise the role and consequences of President Jair Bolsonaro's political discourse and prioritisation of the economy.

Reassessing geographic bottlenecks in a respondent-driven sampling based multicity study in Brazil.

This study analyzes the spatial dynamics of drug users' recruitment chains in the context of a respondent-driven sampling (RDS) study in the city of Recife, Brazil. The purpose is to understand the geographic bottlenecks, influenced by social geography, which have been a major challenge for RDS-based studies. Temporo-spatial analysis was used.

Assessing oral health of crack users in Brazil: Perceptions and associated factors, findings from a mixed methods study.

This study explores associated factors and perceptions of oral health among crack users recruited in open drug scenes in Brazil. A mixed methods approach was used. The quantitative component analysed findings from a large (=7381), population-based survey.