University Of Washington Medicine Tests Blood Of Recovered COVID-19 Patients For Antibodies

SEATTLE, WA - APRIL 17: Medical laboratory scientist, Alicia Bui, runs a clinical test in the Immunology lab at UW Medicine looking for antibodies against SARS-CoV-2, a virus strain that causes coronavirus disease (COVID-19) on April 17, 2020 in Seattle, Washington. The plasma she is examining came from donors who have recovered from COVID-19, a contagious respiratory illness, and may have the potential to help combat the disease in others. (Photo by Karen Ducey/Getty Images)