Experts are also calling BA.2 a 'stealth omicron,' as there's a key difference in its genetic sequence that makes it harder to track.
Preliminary data shows it's more contagious than omicron. Scientist have named it BA.2 a variant that's closely related to the original omicron strain.
UCSF Professor Nevan Krogan is the Director of Quantitative Biosciences Institute. He broke down BA.2 in comparison to the original omicron strain. Professor Krogan's team identify the section where the majority of transmission is forming within the BA.2 variant.How concerned should you be of new omicron subvariant BA.2 if you're vaccinated or boosted?
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