United Airlines flies FIRST batches of Pfizer COVID vaccine in US in refrigerated cases Daily MailUnited Airlines flying Pfizer COVID-19 vaccine Fox NewsUnited Begins Flying Pfizer’s Covid-19 Vaccine The Wall Street Journal(1) Covid-19 vaccinations in Africa may not start before mid-2021, top public health official says CNN InternationalPfizer's vaccine being flown on dry-ice packed United Airlines charter planes New York Post View Full Coverage on Google News