Pfizer, Moderna Promise Major Boosts in Vaccine Supply  

February 23, 2021 10:32 PM
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Drug company officials say they are speeding up delivery of COVID-19 vaccines in the United States. With more vaccine plants online, they say they can produce enough vaccine by the end of July to cover nearly the entire U.S. population. But low-income countries are still at the back of the line. VOA's Steve Baragona has more.