Coronavirus survivor: 'In my blood, there may be answers'
Tiffany Pinckney poses for a portrait in the Harlem neighborhood of New York on April 1, 2020. After a period of quarantine at home separated from her children, she has recovered from COVID-19. Pinckney became one of the nations first donors of "convalescent plasma." Doctors around the world are dusting off a century-old treatment for infections: Infusions of blood plasma teeming with immune molecules that helped survivors beat the new coronavirus. (AP Photo/Marshall Ritzell)