Omicron BA.4 and BA.5: What to know about the new variants - Medical News Today
5/19/2022 12:00:00 AM2 years 11 months ago
by Katharine Lang
by Katharine Lang
Two new Omicron subvariants, BA.4 and BA.5, are spreading, and some countries have designated them as variants of concern. What do we know about them so far?
Despite what many of us might like to believe, COVID-19 has not gone away. South Africa recently identified two new subvariants of Omicron designated BA.4 and BA.5. These subvariants have now spread … [+7407 chars]
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