HIV incidence estimates by sex and age group in the population aged 15 years or over, Brazil, 1986-2018.

Introduction: HIV incidence estimates are essential to monitor the progress of prevention and control interventions.

Methods: Data collected by Brazilian surveillance systems were used to derive HIV incidence estimates by age group (15-24; 25+) and sex from 1986 to 2018. This study used a back-calculation method based on the first CD4 count among treatment-naïve cases.

Exploratory spatial analysis of HBV cases in Brazil between 2005 and 2017.

Objective: To analyze the pattern of spatial distribution of hepatitis B virus (HBV) cases and the mortality attributed to this disease throughout the Brazilian territory, in 2005, 2016 and 2017.

Methods: This is an ecological study of spatial analysis, using data from the Information System for Notifiable Diseases and the Brazilian Mortality Information System. HBV detection and mortality rates were analyzed.