In the race for a vaccine to end the global COVID-19 pandemic, eight contenders are at the front of the pack. These eight vaccine candidates are undergoing human testing in clinics in China, the United States, Britain and Germany. Behind them are at least 94 others in various stages of development. VOA
Tuesday, May 5, 2020
How Close Are We to a COVID-19 Vaccine?
In the race for a vaccine to end the global COVID-19 pandemic, eight contenders are at the front of the pack. These eight vaccine candidates are undergoing human testing in clinics in China, the United States, Britain and Germany. Behind them are at least 94 others in various stages of development. VOA
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