Excerpt:
4/8/2013
According to the results of the current research, the experts judged that the cause of the outbreak of the H7N9 avian flu virus is a reassortant virus, an avian-borne. Cases in distributing state, and found no evidence of human-to-human transmission. Currently, due to the limited knowledge of the disease etiology characteristics and epidemiological characteristics of epidemic prevention and control work, there are still some uncertainties.
http://www.moh.gov.cn/wsb/pxwfb/201304/c05ee47dd0004e458083c2aeb6f2daf5.shtml
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