Tweet from arimoin at December 02, 2021 at 08:43AM

As expected.

As we ramp up surveillance, we’ll certainly find that the #OmicronVariant is already circulating here in the US. https://t.co/mDxJcBlUPq

— Dr. Anne Rimoin (@arimoin)
Dec 2, 2021

from http://twitter.com/arimoin