Pfizer-BioNTech COVID-19 vaccine is associated with lower viral load in breakthrough infections

By | November 9, 2021
Several vaccines have been rapidly developed to help control the COVID-19 pandemic, including the BNT162b2 vaccine (Pfizer/BioNTech). This severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) vaccine has been shown in both clinical trials and in the real world to be highly efficacious in preventing infection, symptoms, hospitalizations, severe disease, and death related to coronavirus disease (COVID-19).