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Video: Understanding COVID-19 Antibody Tests

In this video, we take a look at COVID-19 antibody tests, which can reveal whether someone was previously infected with the novel coronavirus — and explain why a positive or negative result may not always be so easy to interpret.

Q&A on COVID-19 Antibody Tests

President Trump says antibody tests will “get Americans back to work by showing us who might have developed the wonderful, beautiful immunity” to COVID-19. But so far, the tests are not widely available and many of them do not work as advertised.