In a separate statement, the health organization said scientists in Botswana and South Africa have detected new forms of the omicron variant, labeled as BA.4 and BA.5, but aren’t sure yet if they might be more transmissible or dangerous.
In a separate statement, the health organization said scientists in Botswana and South Africa have detected new forms of the omicron variant, labeled as BA.4 and BA.5, but aren’t sure yet if they might be more transmissible or dangerous.
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