BA.2 Blitzes Through Households, Even More Than Original Omicron

BA.2 Blitzes Through Households, Even More Than Original Omicron Preprint study finds increased risk of infection with subvariant Molly Walker medpagetoday

Omicron subvariant BA.2 was associated with higher susceptibility of infection among households, regardless of vaccination status, than the original BA.1 variant, Danish researchers found.

Compared with the original variant, BA.2 was linked with more than two times higher odds of infection among unvaccinated individuals, vaccinated individuals, and boosted individuals, reported Frederik Plesner Lyngse, MD, of University of Copenhagen, and colleagues...