SCIENCE & FACT VS MSM & BOUGHTn& COMPROMISED HEALTH 'EXPERTS' Covid-19 Breakthrough Infections in Vaccinated Health Care Workers Despite the high efficacy of the BNT162b2 messenger RNA vaccine against severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), rare breakthrough infections have been reported, including infections among health care workers. Data are needed to characterize these infections and define correlates of breakthrough and infectivity. https://www.nejm.org/doi/full/10.1056/NEJMoa2109072