Ask a Virologist: Omicron BA.2 Subvariants

The Brian Lehrer Show | May 4, 2022
Brianne Barker, virologist and immunologist, associate professor of biology at Drew University, and co-host of the podcast This Week in Virology, explains what's known about newly discovered COVID variants and omicron sub-variants and puts data about vaccine effectiveness in context.

 

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