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目的分析2006—2013年度攀枝花市流行性感冒(简称流感)流行趋势,为该地控制流感提供科学依据。方法收集2006—2013年度我国流感监测信息系统中攀枝花市流感流行病学与病原学监测资料,并进行描述分析。结果共计检测流感样患者(ILI)咽拟子5 203人份,检出病毒529株,检出率为10.17%。其中A型占58.22%,B型占41.78%;各亚型的检出率分别为:新甲型H1N1 36.86%,甲型H3N2 13.61%,原甲型H1N1 7.75%,By 24.43%,Bv 16.67%。四季皆有病毒检出;各年度均为多种亚型病毒混合流行,每年流行的优势株不同。病毒检出以15岁以下年龄组为主,占79.4%。结论攀枝花市一年四季皆有流感流行,但以夏季和冬春季为多;15岁以下儿童、青少年和≥60岁老年人为防控重点。
Objective To analyze the epidemic trend of Pandemic influenza (Pandemic flu) in Panzhihua City from 2006 to 2013, and to provide a scientific basis for the control of influenza in this area. Methods The epidemiological and etiological surveillance data of influenza in Panzhihua City in China from 2006 to 2013 were collected and analyzed. Results A total of 5 203 pharyngeal parasites of influenza-like patients (ILI) were detected, and 529 strains of viruses were detected. The detection rate was 10.17%. Among them, type A accounted for 58.22% and type B accounted for 41.78%. The detection rates of each subtype were: 36.66% of new H1N1, 13.61% of H3N2, 7.75% of original H1N1, 24.43% of By, . All four seasons have detected the virus; each year is a mixture of multiple subtypes of the virus epidemic, dominant strains are popular each year. The virus was detected in the age group of 15 years of age, accounting for 79.4%. Conclusions Panzhihua City is endemic at all seasons, but summer and winter are the most common. Children under 15 years of age, adolescents and people over 60 years of age are the focus of prevention and control.