Assessing vaccine effectiveness for varicella in Wuxi, China: a time-series analysis.

ABSTRACT:

Objective

The varicella vaccine is not included in the national childhood immunization schedules in China. Varicella epidemics and outbreaks are frequently reported, and the evidence for the effectiveness of the varicella vaccine remains unclear. The aim of this study was to investigate varicella vaccine effectiveness in Wuxi, China.

Methods

Varicella surveillance data were extracted from the China Information System for Disease Control and Prevention, and vaccination data were obtained from the Vaccination Integrated Service Management Information System of Jiangsu Province, China. Time-series analysis approaches were used to estimate varicella vaccine effectiveness.

Results

A total of 16,093 varicella cases among children aged 1-6 years between January 2016 and Dece

SUBMITTER: Wang L 

PROVIDER: S-EPMC10434998 | biostudies-literature | 2023

REPOSITORIES: biostudies-literature