WUHAN, CHINA - JUNE 02: (CHINA OUT) Local residents wear the mask while are exercising in square nearby the lake on June 02, 2020 in Wuhan. Hubei Province, China. Wuhan tested 9,899,828 residents between May 14 and June 1 in a citywide drive to screen novel coronavirus infections, according to a press conference on Tuesday. As a result, no new cases were found, with only 300 asymptomatic infections. (Photo by Getty Images)