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ReutersPfizer working on booster shot to protect against COVID-19 variantsJan 26, 2021Dania NadeemBy Dania Nadeemmore_vert
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NBC NewsPfizer vaccine only slightly less effective against key parts of South African variant, study findsJan 28, 2021more_vert
USA TODAYBiden travel ban: COVID restrictions for non-US travelers reinstatedJan 24, 2021Josh RiveraBy Josh Riveramore_vert
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CBS NewsModerna says its COVID vaccine "should" work against U.K. and South Africa variantsJan 25, 2021more_vert
CNBCHow scientists can 'copy and paste' Covid vaccines to work on the strain from South AfricaJan 28, 2021Cory StiegBy Cory Stiegmore_vert