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Possibly dumb question, how do we know someone with antibodies was exposed? The whole idea of vaccination is based on multiple things producing the same antibod
by perl4ever 7y ago
Possibly dumb question, how do we know someone with antibodies was exposed? The whole idea of vaccination is based on multiple things producing the same antibodies, so isn't it plausible there could be related viruses or genetic factors or something that would lead to antibodies for some people that hadn't been exposed?
- Barrin92 7y agoYes, there is the chance of false positives with antibody tests, in particular for other strains of Corona, but scientists can do a sample of antibody tests on people they know to have been infected with covid-19 and get a rate for false positives and take that into account.