FILE PHOTO: Vials and medical syringe are seen in front of Pfizer logo in this illustration

Published at 1200 × 630 in People who changed the course of Covid 19

FILE PHOTO: Vials with a sticker reading, “COVID-19 / Coronavirus vaccine / Injection only” and a medical syringe are seen in front of a displayed Pfizer logo in this illustration taken October 31, 2020. REUTERS/Dado Ruvic/Illustration/File Photo

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