The rampant historical revisionism about vaccines is absurd. It's 1984 level stuff. The trials didn't even measure "severe illness", so no, we definitely didn'

The rampant historical revisionism about vaccines is absurd. It's 1984 level stuff. The trials didn't even measure "severe illness", so no, we definitely didn't know that by any definition of early. Actually that claim only came to the fore as effectiveness against infection collapsed and a new justification was required.