卫计委：不排除H7N9有限“人传人” (Chinese Authorities: Cannot Rule out H7N9 Human-to-Human Transmission)
People's Daily, April 18, 2013
http://politics.people.com.cn//n/2013/0418/c70731-21177241.html
Related:
China: Human Transmission of Bird Flu is Possible
Voice of America, April 18, 2013
http://www.voanews.com/content/china-says-humantohuman-transmission-of-bird-flu-is-possible/1643887.html
报道称H7N9病毒变异速度惊人 比流感病毒快8倍 (H7N9 Virus Mutates at Alarming Rate, 8 Times Faster than Flu)
People's Daily, April 18, 2013
http://politics.people.com.cn//n/2013/0418/c70731-21178796.html