摘要
目的分析葫芦岛市2009-2010年度流感流行特点及病原学变化规律,为流感防控提供科学依据。方法计算哨点医院流感样病例就诊比例,并采集流感样病例标本进行病原学检测。结果流感样病例就诊比例平均为4.93%,高峰出现在2009年第43 45周;15岁以下年龄组发病较高;病毒核酸检测阳性率为33.86%,甲型H1N1亚型最多占55.73%,但不同时期优势型别不同。结论甲型H1N1流感的流行造成了流感流行强度的大幅波动,流行强度与病毒型别及人群免疫力有关,防控重点为青少年、儿童。
Objective To analyze the epidemiological and etiological characteristics of influenza in Huludao and provide evidence for the control and prevention of influenza. Methods From September 2009 to March 2010, epidemiological and etiological surveillances of influenza were conducted by using the influenza surveillance system. Results The average proportion of outpatient visit for influenza - like illness （ILI） was 4.93% reaching its peak from week 43 to 45 in 2009. ILI mainly occurred in age group under 15 years. The positive rate of influenza virus was 38.86% , Influenza A （H1N1） virus was predominant, accounting for 55.73%. Conclusion The pandemic Influenza A （H1N1） resulted in the fluctuation of influenza incidence, the intensity of epidemic might be related with the virus types and herd immunity. It is necessary to strengthen the prevention and control of influenza among adolescents and children.
出处
《寄生虫病与感染性疾病》
CAS
2010年第3期132-134,共3页
Parasitoses and Infectious Diseases
关键词
葫芦岛
流感
监测
分析
Huludao, Influenza, Surveillance
Analysis
