Medical workers infected in Wuhan, mayor admits it 'profound lesson'

Among the confirmed cases of the novel coronavirus in Wuhan, capital of central China's Hubei Province, are medical workers from a city hospital. 

In an exclusive interview with China Media Group, Mayor of Wuhan Zhou Xianwang admitted these unfortunate cases could have been avoided, and they have given people a "profound lesson." 

"This shows that we didn't get to know enough about the virus at the beginning," he told CCTV.