Chinese authorities have admitted for the first time that limited human-to-human transmission of the deadly H7N9 flu virus is theoretically possible, adding to fears over the virus that has now claimed 17 lives in eastern China.
manbetx3.0 政府首次承认,致命的H7N9禽流感病毒理论上可能出现有限的人际感染,这增加了人们对该病毒的恐惧。迄今这种病毒已导致manbetx3.0 东部17人死亡。
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