Tweet from EricTopol at December 30, 2022 at 09:05AM

Wow. XBB.1.5 more than doubled across the United States in 1 week, now ~40%, out-competing all variants https://t.co/PeE8P7eAeH

— Eric Topol (@EricTopol)
Dec 30, 2022

from http://twitter.com/EricTopol