U.S. to donate an additional 500 mln COVID-19 vaccines to the world

The United States plans to donate an additional 500 million COVID-19 vaccines made by Pfizer Inc and BioNTech SE to nations around the world, lifting the total the country is sharing to more than 1 billion doses, according to a source familiar with the plans.

President Joe Biden is hosting a virtual summit on COVID-19 on Wednesday and is likely to announce the new pledge then.