The Associated PressEXPLAINER: Why it's hard to make vaccines and boost suppliesJan 27, 2021Lauran NeergaardBy Lauran Neergaardmore_vert
World Health Organization (WHO)The Moderna COVID-19 (mRNA-1273) vaccine: what you need to knowAug 18, 2022more_vert
POLITICOBiden to ban travel from South Africa, reinstate restrictions on Brazil and U.K.Jan 24, 2021Stephanie BeasleyBy Stephanie Beasleymore_vert
FiercePharmaFirst Moderna, now Pfizer-BioNTech working on booster shot amid rise of COVID-19 variantsJan 27, 2021Angus LiuBy Angus Liumore_vert
NPRModerna Finds COVID-19 Vaccine Still Protects Against Emerging StrainsJan 25, 2021Bill ChappellBy Bill Chappellmore_vert
USA TODAYBiden travel ban: COVID restrictions for non-US travelers reinstatedJan 24, 2021Josh RiveraBy Josh Riveramore_vert
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
CNBCBiden to impose travel restrictions on South Africa, U.K. and Brazil to mitigate new Covid strainsJan 24, 2021Leslie Josephs & Emma NewburgerBy Leslie Josephs & Emma Newburgermore_vert