
COVID-19 BA.4 and BA.5 variants account for more than HALF of US cases
New COVID variants BA.4 and BA.5 now account for over HALF of US cases as experts fear the strains will spark another summer flare-up, despite […]
New COVID variants BA.4 and BA.5 now account for over HALF of US cases as experts fear the strains will spark another summer flare-up, despite […]
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