SEOUL: South Korea this month will begin weekly tests of sewage produced by its major cities and towns to track the spread of the coronavirus and identify future waves.
A woman walks outside of a coronavirus testing center at the Incheon International Airport in the city of Incheon, northern South Korea on Feb. 10, 2023. AP FILE PHOTO
SEOUL: South Korea this month will begin weekly tests of sewage produced by its major cities and towns to track the spread of the coronavirus and identify future waves.