https://time.com/5919258/pfizer-vaccine-allergies/ https://cdn.jwplayer.com/v2/media/Z3ZJ5HnF/poster.jpg?width=720 The U.K. Is Giving Out the First Doses of a COVID-19 Vaccine as the World Watches U.K. health authorities rolled out the first doses of a widely tested and independently reviewed COVID-19 vaccine Tuesday, starting a global immunization program that is expected to gain momentum as more serums win approval. https://cdn.jwplayer.com/manifests/Z3ZJ5HnF.m3u8 https://cdn.jwplayer.com/previews/Z3ZJ5HnF 63 2020-12-08T09:29:17+00:00 no no