Why ‘Breakthrough’ Infections Even After COVID-19 Vaccinations Shouldn’t Be Surprising
In a recent Morbidity and Mortality Weekly Report (MMWR), researchers at the U.S. Centers for Disease Control (CDC) provide the first wide-scale look at the number of so-called “breakthrough infections”—COVID-19 infections occurring in people who are vaccinated against the disease. Among more than 101 million people who were fully vaccinated in the U.S. during the study period from Jan.
