Oxford COVID-19 vaccine prompts immune response among adults old and young, AstraZeneca says https://t.co/nPFauZ0zPw pic.twitter.com/UHDaUVHDlJ— Reuters (@Reuters) October 26, 2020
Oxford COVID-19 vaccine prompts immune response among adults old and young, AstraZeneca says https://t.co/nPFauZ0zPw pic.twitter.com/UHDaUVHDlJ