Why Antibody Tests May Not Be the Answer

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New York Magazine

For weeks, COVID-19 antibody tests have been invoked as a technology that would finally allow us to see what we’re up against. Last week, Dr. Anthony Fauci told the Today show that several versions of the blood test — which could reveal whether someone has been exposed to the coronavirus, whether or not they have had symptoms — had been developed and would be available in “days to weeks.” More than 90 antibody tests are on the market already, and one has been authorized by the FDA.