By Maria Armental

Pfizer Inc. Chief Executive Albert Bourla said the company ramped up production of its Covid-19 vaccine and will be able to deliver 10% more doses to the U.S. by the end of May than previously agreed.

In addition, Mr. Bourla said on Twitter, Pfizer will supply the full 300 million doses agreed on for the end of July two weeks early.

"In the fight against COVID-19, we're in this together," he tweeted Tuesday.

Write to Maria Armental at maria.armental@wsj.com

(END) Dow Jones Newswires

04-13-21 1647ET