2018—2020年兰州市流感病例流行病学特征分析  

Epidemiological characteristics of influenza cases in Lanzhou city from 2018 to 2020

作　　者：李盛 朱东升 田琳娟 樊春燕 杨露 王金玉[3] LI Sheng;ZHU Dong-sheng;TIAN Lin-juan;FAN Chun-yan;YANG Lu;WANG Jin-yu(The First People's Hospital of Lanzhou City,Lanzhou,Gansu 730050,China;不详)

机构地区：[1]甘肃省兰州市第一人民医院,兰州730050 [2]甘肃中医药大学公共卫生学院,兰州730000 [3]兰州大学基础医学院,兰州730000

出　　处：《疾病预防控制通报》2021年第6期5-7,11,共4页Bulletin of Disease Control & Prevention(China)

基　　金：兰州市新冠肺炎防控项目(2020-XG-39,2020-XG-51);兰州市科技计划项目(2021-ZD-106)。

摘　　要：目的分析2018—2020年甘肃省兰州市流行性感冒(简称流感)病例的流行病学特征,为制定兰州市流感预防控制策略提供科学依据。方法通过中国疾病预防控制信息系统收集2018—2020年兰州市流感监测数据,采用描述流行病学方法分析数据。结果 2018—2020年兰州市共报告流感病例3 633例,年均发病率为30.52/10万,发病数2019年最多(1 828例、48.22/10万)、占50.32%,2018年最少(740例、19.71/10万)、占20.37%;城关区最多(1 407例,38.73%)、红古区最少(3例,0.08%);男性1 866例(51.36%)、女性1 767例(48.64%),男女性别比1.06∶1;发病主要集中在5岁以下儿童(1 326例、36.50%);散居儿童、待业人员、学生和托幼儿童发病位居前四位,分别报告986例(27.14%)、903例(24.85%)、724例(19.92%)和430例(11.83%);月报告发病数最多为1月(877例、24.14%)、最少为8月(53例、1.46%),发病高峰为12月至次年2月。结论兰州市流感冬春季高发,集中在5岁以下儿童;应加强流感的防控措施,重点做好冬春季节儿童的防控工作。Objective To analyze the epidemiological characteristics of influenza cases in Lanzhou city of Gansu province from 2018 to 2020, and provide scientific basis for formulating the prevention and control strategy of influenza in Lanzhou city. Methods The data of influenza surveillance in Lanzhou city from 2018 to 2020 were collected from China Disease Prevention and Control Information System, and analyzed with descriptive epidemiological methods. Results Totally 3 633 cases influenza illness were reported in Lanzhou city from 2018 to 2020, with the incidence rate of30.52/100 000. The number of cases was the most in 2019(1 828 cases, 48.22/100 000), accounting for 50.32%, and the least in 2018(740 cases, 19.71/100 000), accounting for 20.37%. The number of the cases was the most(1 407 cases) in Chengguan district, accounting for 38.73%, and the least in Honggu district(3 cases), accounting for 0.08%. There were1 866 cases of the male, accounting for 51.36% and 1 767 cases of the female, accounting for 48.64%, with the ratio of the male to the female of 1.06∶1. The cases mainly concentrated in the children under 5 year-old(1 326 cases, accounting for36.50%), and located at the top four in diaspora children(986, 27.14%), unemployed persons(903, 24.85%), students(724,19.92%) and childcare children(430, 11.83%). The cases were the most(877 cases, 24.14%) in January and the least(53,1.46%) in August, with pick of onset from December to February of the next year. Conclusions The incidence of influenza is high in winter and spring, and the cases of children under 5 year-old are the main in Lanzhou city. The prevention and control measures of influenza should be strengthened, and focused on children in winter and spring.

关 键 词：流行性感冒(流感) 监测 流行病学特征 

分 类 号：R511.7[医药卫生—内科学]