Biden administration to boost vaccine supply amid shortages

(AP) -- The Biden administration is boosting purchases of coronavirus vaccines to deliver enough to protect 300 million Americans by the end of the summer, as it surges deliveries to states for the next three weeks following complaints of shortages and inconsistent supplies.

President Joe Biden announced the surge in deliveries to states Tuesday, along with the news that the federal government is purchasing an additional 100 million doses each of the two approved coronavirus vaccines.

With existing purchases, the White House expects to be able to deliver enough of the two-dose regimens to states to vaccinate 300 million people.