Vaccine Boosters: Unlocking Protection Against COVID Variants
The COVID-19 pandemic has been a global challenge, with over 550 million infections and 6 million deaths by July 2022. Vaccines were quickly created to fight severe illness, hospitalizations, and deaths. In a recent study, four COVID-19 vaccines were compared: BNT162b2 (Pfizer/BioNTech), mRNA-1273 (