Tweet from EricTopol at June 04, 2022 at 07:56AM
The “S” word for the pandemic is subvariants. Who even heard or used this word prior to Omicron’s descendants?
6 weeks ago the US was in the best shape since it all started. Then came BA.2, now BA.2.12.1, and next up BA.4, BA.5. https://t.co/CwdlEZMdWJ
— Eric Topol (@EricTopol)
Jun 4, 2022