A woman wears a face mask at a market in Hong Kong on January 30. The speed and scale of epidemics, this one and others to come, make it impossible for the state to tackle the crisis alone. Photo: AP
A woman wears a face mask at a market in Hong Kong on January 30. The speed and scale of epidemics, this one and others to come, make it impossible for the state to tackle the crisis alone. Photo: AP