Can the world cope if swine flu goes pandemic?
来源：未知 作者：农膝熊 时间：2019-03-08 05:08:00
By Andy Coghlan, Linda Geddes and Rachel Nowak DOOMSDAY visions of curfews, sealed borders, travel bans and scuffles over food are a long way from materialising in the current crisis. But if the World Health Organization declares a pandemic, countries could bring in draconian measures to isolate and treat infection, prevent further spread and keep societies functioning. On Monday 27 April, the global threat level rose to 4 on a 6-point scale (see diagram), escalating the WHO strategy to prevent further spread of the virus beyond Mexico,