Tag: BA4
The country struggling with Omicron’s BA.4 and BA.5 variants
In South Africa, where less than 45% of the adult population is fully immunized, the coronavirus has claimed more than 3.8 million cases and some 100,350 deaths. After a lull…
RKI weekly report: BA.4, BA.5, XD and XE: An overview of the Covid variants
RKI weekly report BA.4, BA.5, XD and XE: An overview of the Covid variants BA.4, BA.5, XD and XE: It is easy to lose track of the Covid variants. Photo:…