A third of US Covid-19 cases now caused by BA.2 Omicron sub-variant - The Straits Times

But govt data showed overall infections still declining from January’s record highs. . Read more at straitstimes.com.

WASHINGTON (REUTERS) - About one-in-three Covid-19 cases in the United States are now caused by the BA.2 Omicron sub-variant of the coronavirus, according to government data on Tuesday (March 22) tha… [+2450 chars]

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