The U.S. will send at least an additional 20 million COVID-19 vaccine doses, in addition to the 60 million AstraZeneca vaccines it has already committed, to other countries, President Joe Biden said on Monday. The doses will come from existing production of Pfizer, Moderna or Johnson & Johnson vaccine stocks, marking the first time that US-controlled doses of vaccines authorized for use in the country will be shared overseas. It will boost the global vaccine sharing commitment from the US to 80 million. Watch the full video for all the details.