Using methods developed with help from the U.S., South Africa has deployed an army of 28,000 contact tracers to track the spread of the coronavirus, and has flattened the curve of infections.
Posted by NPR - Africa News on
Using methods developed with help from the U.S., South Africa has deployed an army of 28,000 contact tracers to track the spread of the coronavirus, and has flattened the curve of infections.
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