Omicron BA.2 sub-variant account for 100% of new Covid cases in South Africa
The Omicron BA.2 sub-variant forms nearly 100% of new Coronavirus infections in South Africa, Tulio de Oliveira, a professor of
Read moreThe Omicron BA.2 sub-variant forms nearly 100% of new Coronavirus infections in South Africa, Tulio de Oliveira, a professor of
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