It was indeed. Pfizer filed with the FDA on Friday, November 20, seeking authorization for emergency use of the vaccine.35 It was the first company to seek permission to offer a COVID vaccine to US patients. It was just 248 days since the company had first set out with BioNTech to develop the vaccine. No vaccine had ever been developed that fast. The process involved 150 different clinical trial sites, 43,661 patient volunteers, the work of thousands of Pfizer colleagues, and the hopes of a weary nation: it was one of the largest, fastest, and most important scientific endeavors of its kind in
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