4 ms·I don't believe the study is comparing absolute numbers, it's talking about risk on a per-individual level.by beaner 5y agoI don't believe the study is comparing absolute numbers, it's talking about risk on a per-individual level.Alex3917 5y agoI didn't read the study, but the article talks about the number of cases during a four month period.Vecr 5y agoThat's about how long the Pfizer-BioNTech reliably prevents infection in that cohort.