A medical worker takes a passenger's body temperature at Hankou Railway Station in Wuhan, capital of central China's Hubei Province, Jan. 22, 2020. (Photo: Xinhua/Xiao Yijiu)

The Wuhan government has required all people in public places such as hotels, restaurants, cinemas, parks, shopping centers and on public tranportation to wear masks to prevent the spread of the novel coronavirus, according to an announcement made on Wednesday night.