A medic works at a drive-thru COVID-19 testing site in Manchester, Britain, on April 8, 2020. (Photo by Jon Super/Xinhua)

A medic works at a drive-thru COVID-19 testing site in Manchester, Britain, on April 8, 2020. (Photo by Jon Super/Xinhua)

A soldier takes samples from a driver at a drive-thru COVID-19 testing site in Manchester, Britain, on April 8, 2020. (Photo by Jon Super/Xinhua)

A soldier takes samples from a driver at a drive-thru COVID-19 testing site in Manchester, Britain, on April 8, 2020. (Photo by Jon Super/Xinhua)

A soldier takes samples from a person at a drive-thru COVID-19 testing site in Manchester, Britain, on April 8, 2020. (Photo by Jon Super/Xinhua)

A medic takes samples from a person at a drive-thru COVID-19 testing site in Manchester, Britain, on April 8, 2020. (Photo by Jon Super/Xinhua)

Soldiers are seen at a drive-thru COVID-19 testing site in Manchester, Britain, on April 8, 2020. (Photo by Jon Super/Xinhua)

A soldier takes samples from a driver at a drive-thru COVID-19 testing site in Manchester, Britain, on April 8, 2020. (Photo by Jon Super/Xinhua)