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Experts from the Johns Hopkins Bloomberg School of Public Health offer science and evidence-based insights on the public health news of the day. The current focus is the novel coronavirus spreading around the world.

Apr 24, 2020

The market is suddenly flooded with antibody tests claiming to prove whether or not people have already been exposed to COVID-19. But two critical questions are yet unanswered: Are any of these tests accurate and does past exposure mean immunity?

Immunologist Dr. Gigi Gronvall of the Johns Hopkins Center for Health Security talks to Dr. Josh Sharfstein about a new report outlining the potential and pitfalls of antibody testing. They discuss how long it might be before we understand more about antibodies and immunity to COVID-19 and how widespread testing could help capture the true footprint of the coronavirus’s spread.

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