Results of viral hepatitis C surveillance in Tangshan from 2005 to 2022
Objective To analyze and study the epidemiological characteristics of viral hepatitis C(hepatitis C)in Tangshan city,so as to provide scientific guidance for the prevention and control of hepatitis C.Methods The data of hepatitis C cases in Tangshan city from 2005 to 2022 were collected from National Health Insurance Information System and analyzed by descriptive epidemiology methods.Results From 2005 to 2022,a total of 11 324 hepatitis C cases and 1 death case were reported in Tangshan and the average annual reported incidence rate was 8.22/100 000.The annual incidence rates showed a trend of increase from 2005 to 2014 and reached the peak(15.18/100 000)in 2014 and started to decrease from 2015.The male-to-female ratio was 1.25∶1 and cases were reported in all age groups.The number of cases was the highest in 40-70 year old group,accounted for 63.42％.For the occupations,farmer was the predominant group,accounting for 52.21％.There were reports of cases in all 14 counties(cities,districts).The counties of top three average incidence rates from 2005 to 2022 were Qianxi county(11.70/100 000),Lubei district(10.88/100 000)and Lunan district(10.59/100 000).The reported cases were mainly confirmed cases,accounting for 66.90％of the total reported cases,but the quality of the reports data should be verified in further.Conclusions The cases of hepatitis C in Tangshan city were mainly sporadic without obvious seasonality.Enhanced health education of public on the prevention and control of hepatitis C,increased surveillance of hepatitis C epidemic in key areas and populations,improved the quality of reporting and the ability of antiviral treatment in medical institutions would be necessary for reducing the transmission risk of hepatitis C effectively.
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