Scientists develop single vaccine that protects against 3 different coronavirus strainsOctober 27, 2023
Needle-free: COVID vaccine patch provides better protection against Omicron, other variantsAugust 1, 2022
Omicron and kids: COVID vaccines cut risk of severe infection in young children by two-thirdsApril 4, 2022
Omicron subvariant may be more infectious and cause more severe COVID symptoms, study warnsFebruary 21, 2022