Evidence for increased vaccine breakthrough rates of coronavirus variants of concern in BNT162b2 Pfizer-BionTech mRNA vaccinated individuals

Here, we performed a case-control study that examined whether BNT162b2 (Pfizer-BionTech) vaccinees with documented SARS-CoV-2 infection were more likely to become infected with B.1.1.7 or B.1.351 compared with unvaccinated individuals....More...