News Coronavirus live updates: US, Pfizer cut deal on 100M more doses; Trump demands $2,000 stimulus checks December 23, 2020December 23, 2020Jessica Flores, USA TODAYComments Off on Coronavirus live updates: US, Pfizer cut deal on 100M more doses; Trump demands $2,000 stimulus checks Pfizer, BioNTech announce a second agreement with U.S. government to supply an additional 100 million doses of the companies' vaccine. Latest news.