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目的了解南宁市儿童流感流行动态,为儿童流感的防治提供科学依据。方法对南宁市2008-2010年的儿童流感样病例(ILI)监测资料、病毒分离鉴定结果进行分析。结果 3年共监测病例总数407 773例,流感样病例就诊百分比为36.58%。采样1 861例,分离出病毒140株,病毒分离率为7.52%,其中季A型H1N1亚型16株、新甲型H1N119株、季A型H3N2亚型57株、B(Victoria)型30株、B(Yamagata)型18株。结论 2008-2010年南宁市儿童流感流行的优势株为A型H3N2亚型,应进一步加强对流感的监测,注意流感病毒变异株的出现和流行趋势。
Objective To understand the prevalence of influenza in children in Nanning and to provide a scientific basis for the prevention and treatment of influenza in children. Methods The surveillance data and virus isolation and identification results of childhood flu-like illness cases (ILI) in Nanning from 2008 to 2010 were analyzed. Results A total of 407 773 cases were monitored in 3 years, and the percentage of flu-like cases was 36.58%. A total of 1 861 samples were collected and 140 viruses were isolated. The virus isolation rate was 7.52%. Among them, 16 were A quarter H1N1, A H1N119, A quarter H3N2 57, B 30 , B (Yamagata) type 18 strains. Conclusion From 2008 to 2010, the predominant strain of influenza in children in Nanning was type A H3N2 subtype. The monitoring of influenza should be further strengthened and the appearance and prevalence of influenza virus variants should be noticed.