Epidemiological Characteristics of Hepatitis A before and after Inclusion of Hepatitis A Vaccine in Expanded Program on Immunization in Quanzhou
Zeng Shanshan
Chen Yahong
Chen Wentong
Zhan Huichun
Shi Shenjian
Huang Caihong
Wang Weiming
Abstract：OBJECTIVE To analyze the epidemiological characteristics of hepatitis A before and after the Expanded Program on Immunization(EPI)in Quanzhou,and to provide reference for relevant departments to formulate hepatitis A prevention and control measures.METHODS Data on hepatitis A cases reported in Quanzhou from 2004 to 2022 were collected from China Disease Control and Prevention Information System.A descriptive study methods was used to analyze the epidemiological characteristic of hepatitis A in Quanzhou.RESULTS A total of 2 610 hepatitis A cases were reported in Quanzhou from 2004 to 2022,for an average annual incidence rate of 1.71 per 105 population.Average annual incidence per 105 descreased from 2.32 in 2004 to 1.25 in 2022,with a decreasing trend.Nan'an,Jinjiang and Licheng District were the top three counties with the highest average annual incidence rate,while Quanzhou Taiwanese Investment Zone had the lowest average annual incidence rate.Incidences per 105 for 0～14,15～29 and 30～44 years old group all showed a decreasing trend,and 45～59,60～74 years old group showed an increasing trend.The occupation with the highest number of reported cases was farmer.CONCLUSION The incidence of hepatitis A decreased significantly in Quanzhou after the Hepatitis A vaccine is included in the EPI,especially among 0～14 years old group.Relevant departments should continue to carry out surveillance of Hepatitis A,strengthen vaccination publicity and education,and formulate prevention and control strategies for key populations,so as to further reduce the incidence of hepatitis A in Quanzhou.
Keywords：Hepatitis Aincidence rateepidemiology characteristicsimmunization program
Publication Date：2024-05-10
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：3( 50-52 )