Researchers are making progress on a COVID-19 vaccine, but the race isn’t over yet
Researchers are making progress on a COVID-19 vaccine, but the race isn’t over yet

A subject receives a shot in the first-stage safety study clinical trial of a potential vaccine by Moderna for COVID-19 at the Kaiser Permanente Washington Health Research Institute in Seattle on March 16, 2020. According to results released on Tuesday, July 14, 2020, early-stage testing showed the first COVID-19 vaccine tested in the U.S. revved up people's immune systems the way scientists had hoped. The vaccine is made by the National Institutes of Health and Moderna Inc.
Ted S. Warren | AP Photo file
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