深圳市1980—2018年霍乱流行特征

Epidemic characteristics of cholera in Shenzhen, 1980-2018

目的回顾总结深圳市1980-2018年霍乱流行特征,为制定科学防控策略提供参考依据。方法收集深圳市1980-2018年法定传染病报告的霍乱病例资料,应用描述性流行病学方法进行分析。结果深圳市1980-2018年共发生653例霍乱病例,以散发病例为主(72.1%,471/653),大多数为轻症(68.9%,450/653),仅2例死亡。发病时间集中在7-10月,各区均有发病,宝安区最多,占48.1%(314/653)。职业以工人(民工)为主,占60.9%(398/653)。1980-1989年、1990-2000年、2001-2018年分别以稻叶型、小川型和稻叶型为优势毒株。结论深圳市20世纪90年代霍乱疫情高发,之后至今长期处于低发水平,但仍需加强监测,防控输入病例。

Objective To analyze the epidemic characteristics of cholera in Shenzhen City from 1980 to 2018,and provide scientific basis for cholera control and prevention.Methods The data of case-based surveillance of cholera in Shenzhen in 1980-2018 were analyzed in descriptive epidemiology method.Results A total of 653 cholera cases were confirmed in Shenzhen from 1980 to 2018,the majority of cases were sporadic(72.1%,471/653),and most were mild(68.9%,450/653),with only 2 deaths.The epidemic peak appeared from July to October.All districts had been diagnosed cases,Baoan District accounted for most percent with 48.1%(314/653).60.9%(398/653)of cases were migrant workers.The dominant strain of Vibrio cholera in 1980-1989,1990-2000,2001-2018 was Inaba,Ogawa and Inaba serotype,respectively.Conclusions Although the incidence of cholera in Shenzhen City was in a low level after 1990 s,the surveillance need to be evaluated more scientifically and strengthened,and the imported case must be discovered early to prevent local epidemic.