H7N9 禽流感事件

Live poulty markets in China are a mixer and incubator of bird flu virus. They need to be better managed.

As people like to put wildlife delicacies (e.g. wild ducks in winter and heron nestlings in summer) and duck/chicken together in China, so we get more freq outbreaks of bird flu than other places.

Anyway, banning wild bird trade (no poaching of wild ducks and heron nestlings) is one of the crucial steps to confine bird flu