There was a thread about this with a fairly convincing rationale for misunderstandings about the effectiveness of Sinovac. (I'm not the commentator, but it see

There was a thread about this with a fairly convincing rationale for misunderstandings about the effectiveness of Sinovac. (I'm not the commentator, but it seems detailed enough to be plausible) https://www.reddit.com/r/COVID19/comments/kt076p/butantan_vaccine_reaches_100_effectiveness_for/gikh7ef/?utm_source=reddit&utm_medium=web2x&context=3 https://www.reddit.com/r/COVID19/comments/kt076p/butantan_va...