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As COVID-19 spreads globally, populations who survive their illness will become immune. Mayo Vaccine Research Group Director Gregory Poland, MD discusses antibody responses, the duration of immunity, herd immunity, vaccine candidates, and the prospects for using convalescent serum to passively…

Coronavirus testing will help countries manage COVID-19 but will raise questions about how to counsel patients about their test results. The CDC’s Deputy Director for Infectious Diseases Jay Butler talks with JAMA Editor Howard Bauchner about what to advise healthy…