It was a monster month in Covid-19 and vaccines – and my monthly vaccines roundup was a monster, too:

Variants, 3 New Covid Vaccines, and Contested Efficacy Claims: A Month of Seismic Shifts and Confusion.

And a debunking post: Unpacking Doshi's Take at BMJ on Covid Vaccine Trials.

Early in the month I talked about Covid vaccines with Alexander Heffner for an NPR podcast. And late in the month I was on BBC Newsnight, answering questions about the Oxford/AstraZeneca vaccine again.