People wearing masks walk in the Central area of Hong Kong, south China, July 27, 2020. Hong Kong's Center for Health Protection (CHP) Monday reported 145 new confirmed cases of COVID-19, hitting a new daily high in Hong Kong. The 145 new cases included 142 local infections and three imported ones, bringing the total cases to 2,778 in Hong Kong. (Xinhua/Wang Shen)

Photo taken on July 27, 2020 shows a poster on fighting COVID-19 in the Central area of Hong Kong, south China. Hong Kong's Center for Health Protection (CHP) Monday reported 145 new confirmed cases of COVID-19, hitting a new daily high in Hong Kong. The 145 new cases included 142 local infections and three imported ones, bringing the total cases to 2,778 in Hong Kong. (Xinhua/Wang Shen)

People wearing masks walk in the Central area of Hong Kong, south China, July 27, 2020. Hong Kong's Center for Health Protection (CHP) Monday reported 145 new confirmed cases of COVID-19, hitting a new daily high in Hong Kong. The 145 new cases included 142 local infections and three imported ones, bringing the total cases to 2,778 in Hong Kong. (Xinhua/Wang Shen)