4th COVID Wave in India? Health Authorities in Kolkata on Toes After 2 Positive Cases Detected at Airport Delhi: About 11 omicron sub-variants were found during testing of international ...

4 and BA.5 sub-variants of Omicron, according to the European Medicines Agency (EMA). "The wave is driven by BA.4 and BA.5 which are highly-transmissible," Cavaleri added. "Based on current ...

Eleven Omicron sub-variants were found during testing of internationaltravellersbetween December 24 and January 3,PTIreported citing official sources. Of the 19,227 internationaltravellerstested ...

But BF.7 is not the most resilient sub-variant according to the study – there was an over 10-fold higher neutralisation resistance in another Omicron sub-variant called BQ.1. A higher ...

Though there is no evidence that EG.5 causes more severe symptoms than other sub-variants of the Omicron strain, experts say the new variant may more easily evade the immune system. EG.5 ...

The FDA authorized newly modified Covid-19 boosters to target the latest versions of the Omicron variant. But, as WSJ’s Daniela Hernandez explains, a key part of the decision-making process was ...