AmericaHealthU.S. NewsUSA Herald U.S. govt. inks second deal to buy additional 100M doses of BioNTech-Pfizer COVID-19 vaccine By Dee Dulfo - December 23, 2020 193 SHARE Have a story you want USA Herald to cover? Submit a tip here and if we think it’s newsworthy, we’ll follow up on it. Want to contribute a story? We also accept article submissions – check out our writer’s guidelines here.