RT @kakape
Situation with new #sarscov2 variants is becoming harder to follow (and not just because of the names), so let me try and give a brief overview: Where are we at? What should we be worried about? And how worried?

Story is up here: https://www.sciencemag.org/news/2021/01/new-coronavirus-variants-could-cause-more-reinfections-require-updated-vaccines
And now a thread...