HALF of COVID-19 antibody finger-prick tests unreliable, study finds

How long can you stay infected with COVID-19? Canadian nurse, 49, tests positive EIGHT times in 50 days ABC News and the Mayo Clinic looked at nine coronavirus antibody tests that use a drop of blood from a finger prick Four of the nine failed to meet the Mayo Clinic’s medical standards for performance and accuracy One gave a false […]
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