A worker in a protective suit sits near a blocked entrance to a residential compound as a man walks by, amid the coronavirus disease (COVID-19) outbreak in Shanghai, China May 15, 2022. REUTERS/Brenda Goh

Delivery workers wait to pick up orders outside a restaurant, after the city banned dine-in services amid the coronavirus disease (COVID-19) outbreak in Beijing, China May 16, 2022. REUTERS/Carlos Garcia Rawlins

A delivery worker walks at a shopping complex where most shops are closed, amid the coronavirus disease (COVID-19) outbreak in Beijing, China May 16, 2022. REUTERS/Tingshu Wang

Workers set up barriers to seal off an area during lockdown, amid the coronavirus disease (COVID-19) pandemic, in Shanghai, China, May 16, 2022. REUTERS/Aly Song

Bicycles from a bike-sharing service block a street during lockdown, amid the coronavirus disease (COVID-19) pandemic, in Shanghai, China, May 16, 2022. REUTERS/Aly Song

A person walks on a closed street during lockdown, amid the coronavirus disease (COVID-19) pandemic, in Shanghai, China, May 16, 2022. REUTERS/Aly Song

A resident looks at a laptop behind the barriers of a blocked area during lockdown, amid the coronavirus disease (COVID-19) pandemic, in Shanghai, China, May 16, 2022. REUTERS/Aly Song

A worker in a protective suit disinfects mobile toilets near an area under lockdown, amid the coronavirus disease (COVID-19) outbreak in Beijing, China May 16, 2022. REUTERS/Carlos Garcia Rawlins

A man looks over the barriers of a closed street during lockdown amid the coronavirus disease (COVID-19) pandemic, in Shanghai, China, May 16, 2022. REUTERS/Aly Song

A resident checks his phone behind the barriers of a blocked area during lockdown, amid the coronavirus disease (COVID-19) pandemic, in Shanghai, China, May 16, 2022. REUTERS/Aly Song

A resident looks over a barrier that blocks a residential area during lockdown, amid the coronavirus disease (COVID-19) pandemic, in Shanghai, China, May 16, 2022. REUTERS/Aly Song

Two women hug at a closed street during lockdown, amid the coronavirus disease (COVID-19) pandemic, in Shanghai, China, May 16, 2022. REUTERS/Aly Song

Workers in protective suits sort boxes near a waste sorting facility outside a residential compound under lockdown, amid the coronavirus disease (COVID-19) outbreak in Beijing, China May 16, 2022. REUTERS/Tingshu Wang

People wearing face masks line up for nucleic acid testing amid the coronavirus disease (COVID-19) outbreak in Beijing, China May 16, 2022. REUTERS/Tingshu Wang

A worker in a protective suit eats dinner at a closed residential area during lockdown, amid the coronavirus disease (COVID-19) pandemic, in Shanghai, China, May 16, 2022. REUTERS/Aly Song

A worker in a protective suit keeps watch at the entrance to a residential building under lockdown, amid the coronavirus disease (COVID-19) outbreak in Beijing, China May 16, 2022. REUTERS/Alessandro Diviggiano

A staff member serves a customer at a stall set up outside a restaurant, after the city banned dine-in services amid the coronavirus disease (COVID-19) outbreak in Beijing, China May 16, 2022. REUTERS/Carlos Garcia Rawlins

A staff member wearing a face shield serves a customer at a stall set up outside a restaurant, after the city banned dine-in services amid the coronavirus disease (COVID-19) outbreak in Beijing, China May 16, 2022. REUTERS/Carlos Garcia Rawlins

A shared bike is placed next to barricades blocking a residential compound amid the coronavirus disease (COVID-19) outbreak in Shanghai, China May 15, 2022. REUTERS/Brenda Goh