U.S. government agencies announced that they purchased a total of 200 million additional doses of COVID-19 vaccines from Pfizer (NYSE:PFE) and Moderna (NSDQ:MRNA).

The orders of 100 million doses from each of the only two FDA-authorized vaccines in the U.S. were made by the U.S. Health & Human Services Dept. (HHS) and the Defense Dept. (DoD). The U.S. has now purchased a total of 600 million doses, according to a news release, with the totals of the two-dose vaccines allowing for the vaccination of 300 million people.

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