“Submission of the request kicks off an orchestrated series of reviews at the FDA, which oversees the safety of new vaccines, and the CDC, which oversees their distribution. If authorized by the agencies and their counterparts in Europe, 50 million premanufactured doses of the Pfizer vaccine can begin to be distributed globally. Preliminary US plans are to start with the roughly 20 million healthcare workers across the country, given approval of a CDC advisory panel.” Pfizer Is Submitting The First US Coronavirus Vaccine To The FDA For Emergency Approval Today. 248 days to a vaccine and a whole new way of preventing viruses. It’s a miracle (in the scientific sense of the word).