王婧 杨旭辉 刘牧文 李钧

    [关键词] 流感;病原学;季节性;集中度;圆形分布

    [中图分类号] R195.4? ? ? ? ? [文献标识码] B? ? ? ? ? [文章编号] 1673-9701(2021)18-0145-04

    Analysis of etiological characteristics of influenza in Hangzhou based on concentration and circular distribution

    WANG Jing? ?YANG Xuhui? ?LIU Muwen? ?LI Jun

    Hangzhou Center for Disease Control and Prevention，Hangzhou? 310021，China

    [Abstract] Objective To investigate and analyze the epidemiological characteristics and seasonal trends of influenza etiology in Hangzhou in order to provide references for scientific decision-making on influenza prevention and control. Methods The concentration and circular distribution methods were used to analyze the influenza etiology surveillance data in Hangzhou from January 2010 to December 2020. Results The positive detection rates of influenza pathogens in 2020 (M=0.98 ......