AIDS by mother-to-child transmission: survival analysis of cases followed from 1983 to 2002 in different regions of Brazil.

Antiretroviral therapy contributes to decreasing morbidity and mortality, and ultimately to increasing survival. In Brazil, there are regional differences in HIV epidemiology regarding pregnant women and children with HIV/AIDS. This study evaluates survival time after AIDS diagnosis in 914 children infected by mother-to-child transmission, reported between 1983 and 1998 and followed until 2002, in Brazil's five regions.

Hypertension prevalence in the city of Formiga, MG, Brazil.

Objectives: To estimate hypertension prevalence and identify associated socioeconomic, demographic, and anthropometric variables.

Methods: A cross-sectional study with probability sampling.

Target Population: people > or = 18 years of age living in the urban area of Formiga, Minas Gerais state, and registered with the Family Health Program (Programa Saúde da Família-PSF), which covers 94% of the population.

[Cancer mortality among rubber industry workers in São Paulo, Brazil].

Objective: To investigate cancer deaths among rubber industry workers according to company size.

Methods: This historical cohort study included 9,188 male workers, engaged as members of a workers' union in São Paulo, Southeastern Brazil, between 1975 and 1985, alive in January 1990 and followed until the end of 2000. Overall and specific cancer deaths were compared within the cohort, with subjects stratified according to company size and economic activity, sector of work, and worker qualification.