Analysis of hepatitis B epidemic situation in Longyan City from 2011 to 2020
Objective To analyze the epidemiological characteristics of viral hepatitis B(hepatitis B)in Longyan City,and to provide scientific basis for formulating prevention and treatment strategies of hepatitis B in Longyan city.Methods Through the infectious disease surveillance system of China Center for Disease Control and Prevention,the information of hepatitis B cases and related data in Longyan City from 2011 to 2020 were collected and analyzed by descriptive epidemio-logical methods.Results The reported rate of hepatitis B in Longyan City decreased year by year(x2 trend=1 217.93,P＜0.001),from 97.49/100 000 in 2011 to 47.31/100 000 in 2020.The ratio of male to female was 2.1∶1;the occupations were mainly farmers,domestic workers and unemployed people;the peak of incidence was 20-49 years old.The difference of reported incidence rate among counties(cities and districts)was statistically significant(x2=103 632.00,P＜0.01).Conclusion The epidemic situation of hepatitis B in Longyan City from 2011 to 2020 shows a downward trend year by year,but the situation of hepatitis B infection in adults and farmers is not optimistic.The young,the middle-aged(20-49 years old)and farmers should be listed as the focus of attention.Intervention should be carried out through health educa-tion,vaccination and training of medical personnel to control the prevalence of hepatitis B.
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