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Evidence and experts to help you understand today’s public health news—and what it means for tomorrow.

Apr 17, 2020

Does the virus cause male sterility? Are false negatives a problem with COVID tests? Is there a connection between how much virus you’re exposed to and how serious the illness is? Should people on immunosuppressive drugs stop taking them? Does the virus “reactivate?” Can people really become immune? Why are there so many more cases in the northern hemisphere? Why will a COVID-19 vaccine take so long when we come up with a new flu vaccine every year?

Tom Inglesby, director of the Johns Hopkins Center for Health Security, answers a grab bag of listener questions.

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