2010-2011年深圳市流感样病例暴发疫情监测分析

目的 对2010-2011年深圳市流感样病例暴发疫情监测结果进行分析,了解流感的流行趋势,为流感防治提供科学依据. 方法 收集全市2010-2011年的流感样病例暴发疫情资料进行分析. 结果 2010-2011年深圳市共报告226起流感样病例暴发疫情.发病总人数为2026人,平均罹患率14.2％.疫情报告最多的月份是12月为64起,其次是3月和4月,分别为56起和39起.226起疫情中有201起(88.9％)为PCR检测流感病毒核酸阳性,经型别鉴定其中乙型171起(85.0％),甲流17起(8.5％),季节性甲型13起(6.5％). 结论 2010-2011年深圳市流感活动属于中等水平,分别在3-4月份和12月份出现流行高峰.

Surveillance on Epidemic Outbreaks of Influenza-like Illness in Shenzhen from 2010 to 2011

Objective To analyze the surveillance results of outbreaks of influenza-like illness(ILI) in Shenzhen from 2010 to 2011,to know the epidemic trend of ILI,and to provide a scientific basis for ILI prevention and treatment. Methods The study was conducted on the surveillance data of ILI outbreaks in Shenzhen from 2010 to 2011. Results A total of 226 ILI outbreaks were reported in Shenzhen from 2010 to 2011.2,026 cases of ILI were identified during the outbreaks,with the average incidence rate of 14.2%.64 ILI outbreaks were reported in December,followed by 56 outbreaks in March and 39 outbreaks in April.201 out of 226 outbreaks were tested positive for influenza,consisting of 171 outbreaks for type B(85.0%),17 outbreaks for novel H1N1(8.5%),and 13 outbreaks for seasonal type A(6.5%). Conclusions The intensity of influenza circulation was medium during the period of 2010-2011,and the peak of influenza activity occurred in March,April and December.