Objective To understand the epidemiological characteristics of influenza in Hechi City from 2013 to 2022,providing basis for the development and adjustment of influenza prevention and control strategies.Method Descriptive epidemiological analysis method was used to analyze influenza cases in Hechi City.Results The number of influenza ca-ses totaled 22 365 cases,with a incidence rate of 64.36/100 000 and one death.There was a statistically significant difference in the incidence rate in different years(χ2=31873.10,P=0.001,P<0.05);there was a clear seasonality,with the peak incidence at May-July and November-January;Dahua County has the largest number of influenza cases,6372 ca-ses,with a morbidity rate of 172.12/100 000;the gender ratio of male to female cases is 1.19∶1,and the gender differ-ence is statistically significant(χ2=88.81,P=0.001,P<0.05);>3～7 years old group has the highest incidence rate of 229.71/100,000.cases are mainly concentrated in the student group,there are 11,145 cases,accounting for 49.83%;middle schools reported a total of 24 outbreaks;the average reported vaccination rate of influenza vaccine for all types of populations was only 1.06%,and the differences in vaccination rates for different age groups in the same year were statisti-cally significant.Conclusion The number of affected individuals and incidence rate of influenza in Hechi City have risen,and the cases were seasonal,regional,and concentrated among people aged 0～19 year olds.It is necessary to strengthen the vaccination of influenza vaccine for key populations and carry out influenza education in schools,kindergar-tens and other institutions,and to implement preventive and control measures.
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