摘要
目的了解深圳市龙岗区甲型H1N1流感聚集性疫情流行特点。方法通过深圳市龙岗区流感监测网络,收集整理甲型H1N1流感聚集性疫情资料;利用反转录-聚合酶链反应技术检测甲型H1N1流感病毒。结果 2009年共发生甲型H1N1流感聚集性疫情62起,流感样病例811例,总罹患率为6.60%。疫情主要发生在9-11月(占88.71%),学校累计报告57起,占91.94%。各起疫情平均报告时间为1～7d,中位数为3d。甲型H1N1流感疫情持续时间为2～23 d,中位数为7 d;季节性流感疫情持续时间为2～15d,中位数为4d;差异有统计学意义(P<0.05)。2009年流感疫情发生时共采样251份,其中阳性162份,阳性率为64.54%。结论深圳市龙岗区2009年甲型H1N1流感聚集性疫情流行强度高于前三年季节性流感平均水平,9-11月是该区甲型H1N1流感样病例暴发疫情的高发季节,以局部暴发为主要特征,学校是高发场所。加强疾病监测,落实防控措施,积极开展健康教育,及早报告有利于疫情及时控制。
Objective To understand the epidemiological characteristic of pandemic（H1N1） 2009 in Longgang district. Methods Data regarding pandemic（H1N1） 2009 outbreaks was collected from influenza surveillance network,and reverse transcription-polymerase chain reaction test was used for virus nucleic acid detection. Results Total 62 pandemic（H1N1） 2009 outbreaks and 811 Influenza-Like-Illness（ILI） patients occurred in Longgang district in 2009,with an attack rate of 6.60%.Outbreaks mainly reported during September to November,and 57 outbreaks reported in school which accounted for 91.94%.The average time that was from the first case to outbreaks reported was 1 to 7 days,with a median time of 3 days.The outbreak duration of pandemic（H1N1） 2009 was 2 to 23days,which was longer than that of seasonal influenza（2 to 15 days）（u=-4.37,P0.05）.Reverse transcription-polymerase chain reaction test revealed that 162 out of the 251 throat swabs were virus nucleic acid positive,with a positive rate of 64.54%. Conclusion The epidemic strength of pandemic（H1N1） 2009 was stronger than that of the average level of seasonal influenza in the last three years,pandemic（H1N1） 2009 outbreaks mainly reported in school,and September to November was its epidemical season.Strengthening disease monitoring,implementing control measures developing health education and early reporting are good for epidemic control.
出处
《实用预防医学》
CAS
2011年第1期49-51,共3页
Practical Preventive Medicine
关键词
甲型H1N1流感
流感样病例
暴发疫情
Pandemic（H1N1） 2009
Influenza-like illness（ILI） cases
Outbreak
