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目的掌握四川省内江市流感流行特征,为今后的流感防控工作提供科学依据。方法对2014年流感样病例报告数据、病原学监测情况进行分析。结果 2014年全市共报告流感样病例977例,占门急诊病例总数的4.13%;报告的流感样病例主要集中在0岁~和5岁~年龄组,占报告病例数的82.50%;全年均有流感样病例报告,其中7月及12月为流感的流行小高峰;全年共采集流感样病例咽拭子470份,分离出流感阳性毒株99例,阳性率为21.06%,其中季H3型毒株76例、B性毒株18例、新甲H1毒株5例。结论内江市全年均有流感样病例发生,其中以夏季和冬季为高发季节,主要流行毒株为季H3型。
Objective To understand the epidemic characteristics of influenza in Neijiang City, Sichuan Province, and provide a scientific basis for future prevention and control of influenza. Methods Influenza-like cases reported in 2014, etiological surveillance data were analyzed. Results A total of 977 flu-like cases were reported in 2014, accounting for 4.13% of the total number of outpatient and emergency department cases. Influenza-like cases reported mainly in 0-year-olds and 5-year-olds, accounting for 82.50% of the reported cases. Influenza-like cases were reported, of which the epidemic was a small peak in July and December. A total of 470 swabs of flu-like illness were collected during the year, 99 cases were positive for influenza infection, the positive rate was 21.06%, of which season H3 76 cases of type virus, 18 cases of B virus and 5 cases of H1 virus. Conclusion There were influenza-like cases all year in Neijiang City, with summer and winter as the high season and the main epidemic strain as season H3.