Tweet from trvrb at April 18, 2022 at 01:11PM
We’re now starting to see the evolution of new potentially impactful sublineages of Omicron with particular focus on mutations at spike residue 452. Here, I’d like to highlight lineages B.2.12.1 in New York, as well as BA.4 and BA.5 in South Africa. 1/17
— Trevor Bedford (@trvrb)
Apr 18, 2022
from http://twitter.com/trvrb