Covid vaccine breakthrough as study finds ‘sharp decline’ just 6 months after jab
Researchers at the Beth Israel Deaconess Medical Center (BIDMC) have investigated the long-term efficacy of the three available vaccines. Approved for emergency use by the Foods and Drugs Administration (FDA), the Pfizer/BioNTech (BNT162b2) and Moderna (mRNA-1237) vaccines were rolled out across the US in December 2020. The mRNA-based jabs were followed by the single-shot Janssen/Johnson & Johnson vaccine (Ad26.COV2.S) […]
