Construction at the COVID-19 field hospital at McCormick Place in Chicago on April 10. The city pared back plans for a 3,000-bed temporary hospital at the nation's largest convention center as infection numbers decreased.
Nam Y. Huh/AP
The East Bay Municipal Utility District wastewater treatment plant in Oakland, Calif. Stanford University researchers are testing sewage in hopes of tracking the emergence and spread of COVID-19 outbreaks.
Justin Sullivan/Getty Images
Georgia Anne Muldrow was Robin Dann's choice on the last episode of Play It Forward. Muldrow moves the chain of gratitude along to saxophonist Lakecia Benjamin.
Priscilla Jimenez/Courtesy of the artist
A public health nurse and National Guard medic interview a patient before taking a swab for COVID-19 testing at Gallatin High School on April 19. This was one of dozens of Tennessee sites where even patients without symptoms were welcomed to get a free test, paid for by the state and processed by private lab companies.
Blake Farmer/ WPLN