2014年1月浙江省慈溪市发生3例人感染H7N9禽流感病例,经调查3例病例所接触禽均来自2013年疫情发生地区,3例病例经营场所环境标本H7N9禽流感病毒核酸阳性率68.4%,慈溪市从事禽交易农贸市场环境标本病毒核酸阳性率38.4%。结果表明,外地禽只为慈溪市3例病例感染来源,禽交易农贸市场为感染高危场所。 In January 2014, three cases of human H7N9 bird flu were detected in Cixi City, Zhejiang Province. The three cases of the surveyed birds were from the outbreak areas in 2013. The positive rate of H7N9 bird flu virus in the environmental samples of 3 cases was 68.4% , Cixi engaged in poultry trade farmers market environment specimens positive rate of viral nucleic acid 38.4%. The results showed that foreign poultry was the source of infection in 3 cases of Cixi City, and the poultry trade farmers’ market was a high risk place for infection.