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A population-based survey to provide information on the prevalence of hepatitis viral infection and the pattern of risk factors was carried out in the urban population of all Brazilian state capitals and the Federal District, between 2005 and 2009. This paper describes the design and methodology of the study which involved a population aged 5 to 19 for(More)
Influenza is a viral disease of global concern that has demanded the attention of health authorities. Since 1947, as a preventive measure, the World Health Organization monitors viral circulation to define the annual vaccine through a worldwide network of laboratories. This article presents the structuring of influenza surveillance in Brazil and highlights(More)
This multicentric population-based study in Brazil is the first national effort to estimate the prevalence of hepatitis B (HBV) and risk factors in the capital cities of the Northeast, Central-West, and Federal Districts (2004-2005). Random multistage cluster sampling was used to select persons 13-69 years of age. Markers for HBV were tested by(More)
BACKGROUND : There are few studies on HIV subtypes and primary and secondary antiretroviral drug resistance (ADR) in community-recruited samples in Brazil. We analyzed HIV clade diversity and prevalence of mutations associated with ADR in men who have sex with men in all five regions of Brazil. METHODS : Using respondent-driven sampling, we recruited 3515(More)
BACKGROUND The objectives were to estimate the prevalence of hepatitis A among children and adolescents from the Northeast and Midwest regions and the Federal District of Brazil and to identify individual-, household- and area-levels factors associated with hepatitis A infection. METHODS This population-based survey was conducted in 2004-2005 and covered(More)
INTRODUCTION The aim of this study was to evaluate the reliability of self-reported HIV among men who have sex with men (MSM) in Brazil. METHODS MSM 18 years of age or older were recruited to a multicenter study using respondent-driven sampling. We compared self-report of the HIV test with a rapid HIV test using the kappa coefficient. RESULTS A total of(More)
BACKGROUND Aids affects the epidemiological characteristics of tuberculosis, due to both the changes in the clinical progress of the jointly affected patients, as well as the increase in the number of tuberculosis cases among individuals having tested positive for hiv/aids. This may lead to an increase in the transmission of the bacillus among the(More)
A qualitative research was realized to verify the occurrence and motivations for self-medication and the quality of the information rendered by pharmacies. We conducted 3 focus groups with 25 patients of a reference public health service for STD treatment in Brasília, Brazil. We used the critical discourse analysis to interpret the data obtained during(More)
Central Venous Catheters (CVC), widely used in Intensive Care Units (ICU) are important sources of bloodstream infections (BSI). This prospective cohort epidemiological analytical study, aimed to infer the incidence of BSI, the risk factors associated and evaluate the care actions related to the use of these catheters in seven ICU in the Federal(More)
Os cateteres venosos centrais (CVC), utilizados, principalmente em unidades de terapia intensivaUTIs, são importantes fontes de infecção da corrente sangüínea (ICS). Este estudo epidemiológico analítico, tipo coorte prospectiva, enfoca a incidência de ICS, fatores de risco associados e ações assistenciais relacionadas ao uso desses cateteres em 7 UTIs no(More)