booster shot
Newly discovered COVID antibodies could make vaccine booster shots unnecessarySeptember 8, 2022
Booster required? Study finds initial COVID-19 vaccination protection is short-livedJuly 18, 2022
‘Self-boosting’ vaccines could soon replace the need for multiple COVID shotsJuly 13, 2022
Mix-and-match vaccines? Scientists say changing brands for your COVID booster provides more protectionApril 27, 2022