For Whom Do the Covid “Fact Checkers” Really Work?

There are two types of COVID19 survivors— those who have documented recovery from sars-cov-2 (either PCR, antigen or serology + tests) or those who have self-identified recovery from sars-cov 2 (said they had it).

When it comes to the former group, we know with confidence, the chance they get re-infected and severely ill is very very low, and far lower than people who have not yet had and recovered from COVID19 (this is called natural immunity). The data in support of this is massive, and quite certain. Antibody data is...