> Similar vaccine efficacy (generally 90 to 100%) was observed across subgroups
defined by age, sex, race, ethnicity, baseline body-mass index, and the presence of coexisting conditions.
also my source was i was cognizant during the 2020-2023 years and paying very close attention to every presser. the headlines comport with my memory of the reporting and the timeline of the efficacy decay.
Maybe everyone you talked to or US press perhaps - here we ran with medical trials and epidemiologists.
> everyone said it was 100% effective
You're quoting idiots then - or second / third hand press reporting, or US/UK officials pressured by the US/UK admin of the time.
Not everyone lived in a politically captured shitshow.