The current surgein infections with the SARS-CoV-2 Delta variant has made it clear to health
care workers and the public alike that fully vaccinated people remain at risk for SARS-CoV-2
infections. It is also apparent that breakthrough infections in fully vaccinated people can
sometimes be serious. As of October 21, 2021, for example, 35% of the 519 patients
hospitalized with COVID-19 in Massachusetts had been fully vaccinated. 1 Furthermore,
multiple reports have documented that if fully vaccinated individuals do become infected …