“嘿,听说了没有,H7N9那家伙如今出名了!最近有人感染了H7N9,人们对它有些害怕,不少禽类因为这个事情也遭了殃。”在流感家族里,正在讨论着这些事情。原来,2013年4月,在上海、江苏等地出现了新型的禽流感H7N9,并且有人感染死亡。可是禽流感不是鸟类的“感冒”吗?怎么传染到人头上了? “Hey, I heard that no one, H7N9 that guy is now famous! Recently someone infected with H7N9, people are afraid of it, many poultry because of this incident also suffered.” “In the flu family, are discussing these thing. It turned out that in April 2013, a new type of H7N9 bird flu was reported in Shanghai and Jiangsu Province, and some people died of the infection. But the bird flu is not a bird’s ”cold"? How to spread to the human head?