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WATCH: Psaki holds news briefing following global COVID vaccine sharing announcement

White House press secretary Jen Psaki will hold a news briefing Thursday following the announcement of a framework to distribute excess U.S. vaccine doses globally.

Watch the briefing in the video player above.

The White House on Thursday unveiled President Joe Biden’s plans to share COVID-19 vaccines with the world, including its intent to direct 75% of excess doses through the U.N.-backed COVAX global vaccine sharing program.

The White House has previously stated its intent to share 80 million vaccine doses with the world by the end of June. The administration says 25% of doses will be kept in reserve for emergencies and for the U.S. to share directly with allies and partners.

The long-awaited vaccine sharing plan comes as demand for shots in the U.S. has dropped significantly as more than 63% of adults have received at least one dose, and as global inequities in supply have become more glaring.

The PBS NewsHour will update this story as it develops.