Pfizer Will Ship Fewer Covid-19 Vaccine Vials to Account for ‘Extra’ Doses
But federal health officials who manage the government’s contracts for syringes told the F.D.A. that more than 70 percent of the sites were using the more efficient syringes and that more could be easily bought or manufactured, according to another person knowledgeable about the situation. Still, Pfizer’s attempts to pressure the F.D.A. unsettled some health…