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目的分析2010-2012年内蒙古地区流感流行病学和病原学监测资料,为内蒙古流感防控工作提供科学依据。方法分析内蒙古自治区2010-2012年流感样病例流行病学监测数据。流感样病例的咽拭子标本进行流感病毒检测,并分析病原学监测资料。结果 2010-2012年全区哨点医院报告的ILI%分别为1.99%、1.32%和1.49%。内蒙古2010-2012年每年均有两个流感流行期,流行的流感病毒优势型分别为B型和A(H3N2)、甲型H1N1和B型以及B型和A(H3N2)。结论 2010-2012年内蒙古流感流行具有明显的季节性,冬春季流感高发,而夏秋季少发。流感仍是内蒙古需长期重点防治的传染病之一。
Objective To analyze the epidemiological and epidemiological data of influenza in Inner Mongolia from 2010 to 2012 and provide a scientific basis for the prevention and control of influenza in Inner Mongolia. Methods Epidemiological surveillance data of influenza-like cases in Inner Mongolia Autonomous Region from 2010 to 2012 were analyzed. Throat swab samples of influenza-like cases were tested for influenza virus and etiological monitoring data were analyzed. Results The reported ILI% of sentinel hospitals across the region from 2010 to 2012 were 1.99%, 1.32% and 1.49% respectively. There are two epidemic periods of flu in Inner Mongolia each year from 2010 to 2012. Influenza viruses prevailing are B type and A (H3N2), H1N1 and B type, and B type and A (H3N2) respectively. Conclusion The prevalence of influenza in Inner Mongolia during 2010-2012 is obviously seasonal, with high incidence of influenza in winter and spring and few in summer and autumn. Flu is still one of the major infectious diseases that Inner Mongolia needs long-term prevention and control.