Seroprevalence of dengue, Zika, and chikungunya in Sao Sebastiao, Brazil (2020-2021): a population-based survey.

ABSTRACT:

Background

Urban arboviruses pose a significant global burden, particularly in tropical regions like Brazil. São Sebastião, a lower-middle-class urban area just 26 km from the Brazilian capital, is an endemic area for dengue. However, asymptomatic cases may obscure the actual extent of the disease. In this study, we measured the seroprevalence of dengue, Zika virus, and chikungunya, and compared these findings with surveillance data.

Methods

A cross-sectional study was conducted involving 1,535 households. ELISA serological tests were performed to detect IgM and IgG antibodies against dengue, Zika virus, and chikungunya. History of previous exposure to arboviruses, data on age, gender, and education level were collected through a questionnaire. Participants who tested positi

SUBMITTER: Nobre T 

PROVIDER: S-EPMC11773905 | biostudies-literature | 2025 Jan

REPOSITORIES: biostudies-literature