h5n1 avian influenza virus

基本解釋

Not only are seasonal flu strains circulating but also the H5N1 avian influenza virus, which has killed 258 out of 423 people infected since 2003.
除了季節(jié)性流感，H5N1禽流感也是會(huì)流通的，自從2003年開(kāi)始，禽流感已經(jīng)感染了423人，其中造成258人死亡。
Research on influenza pandemics and pandemic viruses increased considerably following the first human cases of infection with the H5N1 avian influenza virus in 1997.
在1997年發(fā)現(xiàn)首批人患H5N1禽流感病毒感染病例之後，大大加強(qiáng)了對(duì)流感大流行和大流行性病毒的研究力度。
At the time, this was considered a likely scenario should the highly lethal H5N1 avian influenza virus develop an ability to spread readily among humans, but it was never a formal definition.
儅時(shí)的看法是，如果高致命性H5N1禽流感病毒發(fā)展出人際輕易傳播的能力，就可能會(huì)出現(xiàn)這一情景，但這從來(lái)不是一項(xiàng)正式定義。

Two tests on the woman were positive for H5N1 avian influenza, but the government did not say how she might have contracted the virus.
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