Research findings warn of Omicron vaccine Less resistance to COVID mutation BQ.1.1 and XBB.1
However, people who have been infectedCOVID-19 before and receivedIntensive vaccinePreventing strains of COVID-19 Omicron, 1 dose will have better immunity to BQ.1.1. Natural immunity from BQ.1.1 infection is 4 times higher than that of the Omikron group compared to people who have never been infected before.covid mutantafter The mutated virus BQ.1.1 become a virus that … Read more