South Africa is being hit hard by COVID again. What that means for the U.S., if anything, remains unclear.

South Africa is being hit hard by COVID again. What that means for the U.S., if anything, remains unclear.

This post was originally published on this siteIt’s too soon to know whether the BA.4 and BA.5 omicron variants will take off in the U.S. as they are in South Africa, but some experts are anxious.     

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