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The author:(作者)delv
published in(发表于) 2014/1/27 8:56:58
Official monitoring indicate that H7N9 avian influenza on poultry avirulent

China News Agency, Beijing, January 27, China National avian influenza reference laboratory on virus tracking study results show that currently isolated from poultry and environmental samples H7N9 avian flu virulence of the virus has not changed, still no pathogenicity of poultry.

China's Ministry of agriculture said on 27th by the national avian influenza reference laboratory and related research institutes experts since H7N9 avian flu prevention and control situation analysis for 2013, the monitoring carried out a careful analysis.

According to reports, in 2013, the China sample monitoring poultry or 1.6302 million environmental samples, Trojan check out 88 H7N9 avian flu pathogen-positive samples, mainly from Shanghai, Jiangsu, Anhui, Zhejiang, Jiangxi, Guangdong, Fujian, Henan, Shandong and Hebei province 10 provinces and 26 live poultry business sites.

2014, the China monitor 33,400 samples, 11400 pathogenic samples, involving a total of 2,402 sites, 4 in Guangdong, Fujian, Guangxi and Zhejiang provinces and 5 live bird markets to check out 8 pathogen-positive samples.

Experts believe that H7N9 avian flu virus currently operating mainly in the live poultry farms, has not yet been checked out at poultry farms.

In view of the current situation of prevention and control, the experts proposed, H7N9 avian influenza surveillance, pays special attention focused on key aspects of sampling and monitoring work. H7N9 avian flu, once checked out animal-positive samples, handling and tracking survey conducted strictly according to the requirements in a timely manner. Strengthen epidemic prevention supervision in live bird market, implementation of regular rest, disinfection systems. (End text)

(Original title: official monitoring indicate that H7N9 avian influenza on poultry are avirulent)

　　中新社北京1月27日电 中国国家禽流感参考实验室对病毒跟踪监测与研究结果表明，当前从家禽和环境样品中分离的H7N9禽流感病毒毒力没有发生变化，对家禽仍无致病力。

　　中国农业部27日表示，由国家禽流感参考实验室和有关科研院所专家参加的禽流感防控形势分析会对2013年以来的H7N9监测情况进行了认真分析。

　　据介绍，2013年，中国共采样监测家禽或环境样品163.02万份，累计检出88份H7N9禽流感病原学阳性样品，主要来自上海、江苏、安徽、浙江、河南、山东、江西、广东、福建和河北10个省市的26个活禽经营场点。

　　2014年以来，中国共监测3.34万份样品，其中病原学样品1.14万份，涉及2402个场点，在广东、福建、广西、浙江4省区的5个活禽市场中检出8份病原学阳性样品。

　　专家们认为，目前H7N9禽流感病毒主要存在于活禽经营场点，尚未在养禽场检出。

　　针对当前防控形势，与会专家提出，做好H7N9禽流感监测，抓好重点区域重点环节的采样监测工作。对H7N9禽流感，一旦检出动物阳性样品，严格按规定及时进行处置和追踪调查。强化活禽市场防疫监管，落实定期休市、消毒等制度。(完)

(原标题：官方监测表明H7N9禽流感对家禽仍无致病力)

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