Here’s How the Fight Against China’s Coronavirus Works

The newly identified coronavirus that emerged in the central Chinese city of Wuhan has been declared an international health emergency, and the effort to contain it also spans the globe. The Chinese government has implemented the most ambitious quarantine in modern times, as health care workers knock on doors in search of infected people and travelers in airports across the world are scanned for signs of fever. The effort is complicated by the virus’s incubation period of up to two weeks — a ti