A few weeks ago, we talked about antibodies and how they can convey immunity after an infection or a vaccine. Recently, there has been a lot of talk about antibody tests and whether they could be used to allow “immune” individuals to return to work. But there are a lot of misconceptions about these tests, what they actually tell us, and how they should be implemented. There is a persistent misconception that if an individual has antibodies, they are completely immune to reinfection. It is completely possible, even likely, that if you got the coronavirus and barely had any symptoms,…
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