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H7N9不排除有限的非持续人传人

2014-01-28    来源:新华网    【      美国外教 在线口语培训

新年伊始,浙江、广东、北京等多地接连报告数十例人感染H7N9病毒的病例。通过对报告病例的深入调查研究,昨天,国家卫计委发布2014年版《人感染H7N9禽流感诊疗方案》指出,禽流感病毒或通过接触病毒污染的环境传播至人,不排除有限的非持续的人传人。病毒潜伏期也由去年定义的一周缩短至3-4天,各地将按照新方案将H7N9禽流感病例密切接触者的隔离观察期缩短至4天。

No proof of H7N9 inter-human transmission

Current H7N9 cases are scattered and there is no evidence of constant inter-human transmission, according to a paper on H7N9 diagnosis and treatment issued by the National Health and Family Planning Commission on Sunday.

The paper said that the infection source might be the poultry that carry the H7N9 bird flu virus. The H7N9 bird flu could be infected via respiratory spread, close touch with poultry excretion or contact with contaminated environment.

H7N9 patients who have contact with poultry or been to live poultry markets one week before morbidity, especially the seniors, are high risk groups, the paper said.

According to a survey on H7N9 cases, the incubation period for H7N9 human cases is three to four days, and patients will develop to severe pneumonia three to seven days after morbidity, with body temperature above 39 degrees centigrade.

The paper said that early report, diagnosis and treatment are the best ways to prevent and control the virus.  (新华网)



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