Analysis of the implementation effect and evaluation of the vaccine protection effect of the live attenuated varicella vaccine program for school-age children in Bao'an district of Shenzhen,China.

ABSTRACT: The objective of the study is to analyze the implementation effect of the Live Attenuated Varicella Vaccine (VarV) Vaccination Program for eligible children in Bao'an District, Shenzhen, and evaluate the vaccine effectiveness. Children's vaccination data was obtained from the Shenzhen Immunization Planning Information Management System, while varicella case data came from the China Disease Prevention and Control Information System. The Joinpoint regression method examined vaccination rate trends, and a retrospective cohort study assessed vaccine effectiveness. After program implementation, VarV vaccination rates significantly increased, surpassing provincial and national averages. Overall incidence declined 54.6% across age groups, with the largest reductions among 7- and 6-year-olds. One

SUBMITTER: Wang Z 

PROVIDER: S-EPMC11275525 | biostudies-literature | 2024 Dec

REPOSITORIES: biostudies-literature