Dengue seroprevalence and risk factors for past and recent viral transmission in Venezuela: a comprehensive community-based study.

Dengue transmission in Venezuela has become perennial and a major public health problem. The increase in frequency and magnitude of recent epidemics prompted a comprehensive community-based cross-sectional study of 2,014 individuals in high-incidence neighborhoods of Maracay, Venezuela. We found a high seroprevalence (77.

Dengue virus infections in a cohort of schoolchildren from Maracay, Venezuela: a 2-year prospective study.

In 2001, we began a prospective longitudinal study in a cohort of schoolchildren 5-13 years of age residing in Maracay, Venezuela, to determine the cumulative incidence of dengue virus (DENV) infections by virus serotype. This report presents serological data from 710 schoolchildren who were tested during the first 2 years of the study. Serological evaluations were conducted by plaque reduction neutralization test (PRNT).