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Background As intestinal infectious diseases are one major public health issue in China, there remains an urgent need to dynamically track the incidence trend and epidemiological characteristics of these diseases on the whole or by category. Objective To analyze the epidemiological characteristics, spatial distribution and clustering features of types A and B intestinal infectious diseases in China from 2008 to 2018, providing a theoretical basis for optimizing the prevention and control strategies of these two types of diseases. Methods Data on the incidence of types A and B intestinal infectious diseases〔including typhoid and paratyphoid, viral hepatitis (hepatitis A, hepatitis E and undifferentiated type of hepatitis) and dysentery〕in all regions of China (n=31, except for Hong Kong, Macao and Taiwan) from January 2008 to December 2018 were extracted in March 2022, using the Data-center China Public Health Science as the data source. The chi-square test for trend was used to examine the temporal trend of incidence of these two types of diseases. Descriptive epidemiology, spatial autocorrelation, and spatial and temporal clustering analysis were used to analyze the spatio-temporal epidemiological characteristics of the diseases, and to determine the key seasons and regions for epidemic prevention and control. Results A cumulative total of 3 220 480 cases of types A and B intestinal infectious diseases were reported in China from 2008 to 2018, with an average annual incidence rate of 7.25/100 000, showing a decline in overall incidence rate (P |
