In this photo illustration a silhouette of a man holding a medical syringe and a vial seen displayed in front of the Pfizer logo on a screen. (Photo Illustration by Cezary Kowalski/SOPA Images/LightRocket via Getty Images) WASHINGTON - The U.S.
Department of Defense has awarded Pfizer, Inc. with a $3.5 billion contract to produce 500 million doses of the COVID-19 vaccine that will be donated internationally.According to the contract, the estimated completion date is December 31, 2022.