Enough COVID vaccine for 300 mn Americans by end of summer: official

The US government is purchasing an additional 200 million doses of COVID-19 vaccine and will have enough to vaccinate 300 million Americans by the end of the summer, a senior administration official said Tuesday.

An additional 100 million doses of vaccine are being bought from Pfizer and an additional 100 million doses from Moderna, the two companies whose vaccines have been approved by the US Food and Drug Administration, the official said.

"With these additional doses, the US will have enough vaccine to fully vaccinate 300 million Americans by the end of this summer," virtually the entire US population, the official told reporters.