The bottles for the Pfizer BioNTech COVID-19 vaccine can be prepared prior to the opening of a mass vaccination site in Queens, New York City on February 24, 2021.

Seth Little | Pool | Reuters

Albert Bourla, CEO of Pfizer, said Tuesday that his company had ramped up production of its two-shot coronavirus vaccine and could ship a total of 300 million doses to the U.S. ahead of schedule.

According to Bourla, Pfizer can deliver 10% more cans to the US by the end of May than previously agreed. The company will be able to bring the full 300 million into the US two weeks early, he said.

The announcement came when dozen of states temporarily stopped giving Johnson & Johnson’s single-dose Covid vaccine after the Food and Drug Administration recommended it after six women in the United States developed a rare bleeding disorder in which one woman died and another died in critical condition.

Some states, like New York, said they would use Pfizer’s vaccine instead of the J&J shot for appointments that were already scheduled.

President Joe Biden set a goal last month to get enough Americans vaccinated in time for them to safely gather in small groups for July 4th. He also vowed that every adult in the US would have access to the vaccine by the end of May.

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