COVID-19 booster shot significantly boosts efficacy - study
The estimated vaccine effectiveness of the third dose against PCR-confirmed infection stood at 85.6% compared to the two doses, Sheba researchers found.
Vials with Pfizer-BioNTech and Moderna coronavirus disease (COVID-19) vaccine labels are seen in this illustration picture taken March 19, 2021. (photo credit: REUTERS/DADO RUVIC/ILLUSTRATION/FILE PHOTO)ByJERUSALEM POST STAFFUpdated:
