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Belgium's Jos Hermans, 96 years old, gives the thumbs up after receiving the COVID-19 vaccine at the Sint Pieter care home in Puurs, Belgium, Monday, Dec. 28, 2020. The vaccine, developed by BioNTech and Pfizer, was transported from a hospital in Leuven to the residential care home on Monday, as Belgium begins its vaccination program starting with the most vulnerable. (Dirk Waem, Pool via AP)