America Needs Plasma From COVID-19 Survivors Now
(World News Science)

Editor’s Note: The Atlantic is making vital coverage of the coronavirus available to all readers. Find the collection here . Tatiana Prowell knew it was a long shot, but she didn´t know what else to do. Her brother-in-law´s father, the man she knew affectionately as `Papa Doc,` was in the ICU with COVID-19, and things were not looking good. `HELP!,` she tweeted late on Wednesday night: She needed to find someone who had recovered from COVID-19, and then ask for their blood. The day before Prowell tweeted her plea, the Food and Drug Administration began allowing doctors to use plasma, the yellow fluid in which blood cells are suspended, as a Hail Mary to treat very ill COVID-19...