General With Limited COVID-19 Vaccine Doses, Who Would Get Them First? Originally published on NPR It’s still unknown when a COVID-19 vaccine might be available in the United States. But when one is first approved, there may only be 10 million to 15 million doses available, which may be enough to cover around 3% to 5% of the U.S. population. That’s according to estimates from Operation […] Written by Staff Writer September 24, 2020September 24, 2020