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Pfizer’s efforts to capitalize on the discovery were for weeks camouflaged in a bureaucratic language dispute. Before Christmas, Pfizer approached F.D.A. officials requesting a formal change to its fact sheet so that it said each vial contained six doses of vaccine instead of five. But regulators instead suggested the phrase “up to six doses,” depending on what kinds of needles and syringes were used to extract the vaccine. Image Vials of Pfizer’s vaccine retrieved from a freezer at Temple University Hospital in Philadelphia during the first week of vaccinations in December.Credit.Hannah Yoon for The New York Times

Health pfizerPfizer will ship fewer vaccine vialsVaccines immunizationCoronavirus covid 19Hypodermic needles and syringesGovernment contracting and procurementUs politicsYour feed healthcareஆரோக்கியம் ஃபைசர்தடுப்பு மருந்துகள் நோய்த்தடுப்புஅரசு ஒப்பந்தம் மற்றும் ப்ரொக்யூர்மெஂட்எங்களுக்கு பாலிடிக்ஸ்உங்கள் தீவனம் சுகாதாரம்