Strikingly frank answer from CDC director Walensky on them being too bullish on vaccines early on
“Nobody said ‘waning’ when this vaccine is going to work, ‘oh well maybe it’ll wear off.’ Nobody said ‘well, what if…it’s not as potent against the next variant’”
She continues: “I have frequently said ‘we’re going to lead with the science’…I think public heard that as ‘science is foolproof. Science is black and white.’…The truth is science is grey. And science is not always immediate.“
https://twitter.com/AlexThomp/status/1499808632443224068