WASHINGTON D.C.- President Biden has updated his previous prediction - that all Americans would be vaccinated by the end of July- and announced that the U.S. will have enough vaccines for all of it's citizens by the end of May.

His confidence comes after announcing a major partnership between pharmaceutical giants Merck & Co. and Johnson & Johnson to help produce J&J's newly authorized vaccine.

Biden says that Johnson & Johnson's vaccine manufacturing facilities will now begin to operate 24/7.

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