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日前,由世卫组织提供的禽流感病毒监测与调查报告显示,从病毒特性来看,新一轮H7N9禽流感病毒与去年冬春季暴发的H7N9疫情具备高度相似性,从患者体内分离出的病毒与鸟类携带的病毒基因相似度高。从季节性看,H7N9禽流感病毒呈现冬季多发特点。世卫组织在最新疫情通报中表示,中国春节前后,活禽交易和运输量势必增加,预计疫情地区及周边区域的偶发性人感染H7N9禽流感病例可能还会出现。
Recently, the report on monitoring and investigation of avian influenza virus provided by WHO showed that in terms of virus characteristics, the new round of H7N9 bird flu virus has a high degree of similarity with the outbreak of H7N9 in winter and spring last year. Viruses isolated from patients High similarity with the virus genes carried by birds. In terms of seasonality, the H7N9 bird flu virus shows multiple features in winter. WHO said in its latest outbreak notification that live poultry transactions and traffic volumes are bound to increase before and after the Spring Festival, and the incidence of H7N9 bird flu in the epidemic area and surrounding areas may also occur.