A worker in protective suit sprays disinfectant at a testing site, during a government-organised visit, following a new outbreak of the coronavirus disease (COVID-19) in Beijing, China June 24, 2020.

A worker in protective suit indicates the way for people who had a nucleic acid test, during a government-organized visit to a testing site, following a new outbreak of the coronavirus disease (COVID-19) in Beijing, China June 24, 2020.

People wearing face masks wait in line to receive nucleic acid tests, during a government-organized visit to a testing site, following a new outbreak of the coronavirus disease (COVID-19) in Beijing, China June 24, 2020.

People wearing face masks wait in line to receive nucleic acid tests, during a government-organized visit to a testing site, following a new outbreak of the coronavirus disease (COVID-19) in Beijing, China June 24, 2020.

A worker in a protective suit looks on as people get a nucleic acid test, during a government-organized visit to a testing site, following a new outbreak of the coronavirus disease (COVID-19) in Beijing, China June 24, 2020.

A worker in protective suit sprays disinfectant at a testing site, during a government-organised visit, following a new outbreak of the coronavirus disease (COVID-19) in Beijing, China June 24, 2020.

A medical worker in a protective suit conducts a nucleic acid test, during a government-organised visit to a testing site, following a new outbreak of the coronavirus disease (COVID-19) in Beijing, China June 24, 2020.

A worker in protective suit sprays disinfectant at a testing site, during a government-organised visit, following a new outbreak of the coronavirus disease (COVID-19) in Beijing, China June 24, 2020.

A medical worker adjusts the protective goggles at a testing site, during a government-organized visit, following a new outbreak of the coronavirus disease (COVID-19) in Beijing, China June 24, 2020.

A testing site for nucleic acid tests is seen, during a government-organized visit, following a new outbreak of the coronavirus disease (COVID-19) in Beijing, China June 24, 2020.

A woman has her body temperature checked as she arrives for a nucleic acid test, during a government-organized visit to a testing site, following a new outbreak of the coronavirus disease (COVID-19) in Beijing, China June 24, 2020.

Medical workers conduct nucleic acid tests at a testing site, during a government-organised visit, following a new outbreak of the coronavirus disease (COVID-19) in Beijing, China June 24, 2020.

A woman has her body temperature checked as she arrives for a nucleic acid test, during a government-organized visit to a testing site, following a new outbreak of the coronavirus disease (COVID-19) in Beijing, China June 24, 2020.

A woman wearing a face mask arrives to receive a nucleic acid test, during a government-organized visit to a testing site, following a new outbreak of the coronavirus disease (COVID-19) in Beijing, China June 24, 2020.

People wearing face masks line up to receive nucleic acid test near a residential area, following the outbreak of the coronavirus disease (COVID-19), in Shenzhen, Guangdong province, China June 24, 2020.

A worker in protective suit sprays disinfectant as medical workers conduct nucleic acid tests at a testing site, during a government-organised visit, following a new outbreak of the coronavirus disease (COVID-19) in Beijing, China June 24, 2020.

A woman walks after a nucleic acid test, during a government-organized visit to a testing site, following a new outbreak of the coronavirus disease (COVID-19) in Beijing, China June 24, 2020.

People wearing face masks wait in line to receive nucleic acid tests, during a government-organized visit to a testing site, following a new outbreak of the coronavirus disease (COVID-19) in Beijing, China June 24, 2020.

People wearing face masks wait in line to receive nucleic acid tests, during a government-organized visit to a testing site, following a new outbreak of the coronavirus disease (COVID-19) in Beijing, China June 24, 2020.

A worker in protective suit sprays disinfectant as medical workers conduct nucleic acid tests at a testing site, during a government-organised visit, following a new outbreak of the coronavirus disease (COVID-19) in Beijing, China June 24, 2020.

A woman has her body temperature checked as she arrives for a nucleic acid test, during a government-organized visit to a testing site, following a new outbreak of the coronavirus disease (COVID-19) in Beijing, China June 24, 2020.

A worker wearing a face mask uses a megaphone as people receive nucleic acid tests, during a government-organized visit to a testing site, following a new outbreak of the coronavirus disease (COVID-19) in Beijing, China June 24, 2020.

A medical worker in a protective suit conducts a nucleic acid test, during a government-organised visit to a testing site, following a new outbreak of the coronavirus disease (COVID-19) in Beijing, China June 24, 2020.

People wearing face masks walk in line to receive nucleic acid tests, during a government-organized visit to a testing site, following a new outbreak of the coronavirus disease (COVID-19) in Beijing, China June 24, 2020.

A worker in protective suit indicates the way for people who had a nucleic acid test, during a government-organized visit to a testing site, following a new outbreak of the coronavirus disease (COVID-19) in Beijing, China June 24, 2020.

People wearing face masks wait in line to receive nucleic acid tests, during a government-organized visit to a testing site, following a new outbreak of the coronavirus disease (COVID-19) in Beijing, China June 24, 2020.