Open access
Sep 2026
Severe Varicella in Children Under Five Years of Age in the Context of Herd Immunity, Vaccine Hesitancy, and the COVID-19 Pandemic in Brazil, 2008-2023
Objective: Varicella (chickenpox) is a highly contagious disease, and its vaccine was incorporated into the Brazilian National Immunization Program in 2013. Objectives: (i) To analyze trends in hospitalization rates for severe chickenpox by age; (ii) To assess the impact of the interventions “anti-vaccine movement/vacc...
Maria Isabel Do Nascimento, Alcenir Tavares Valente, Beatriz de Vasconcelos Falcão et al.
· Journal of Family and Reprod... · 0 citations