Diana Carolina, a pharmacist at Memorial Healthcare System, receives a Pfizer-BioNtech Covid-19 vaccine at Memorial Healthcare System, on December 14, 2020 in Miramar, Florida. Joe Raedle/Getty Images Anti-vax misinformation has spread dangerously far and wide. We have a social responsibility to recognize and call it out, especially amidst COVID-19 vaccinations. Here's how to do so. Lior Brimberg, PhD, is an assistant professor in the Institute of Molecular Medicine at the Feinstein Institutes for Medical Research. This is an opinion column.