Dr. Kevin Ban, Chief Medical Officer of Walgreens, helps viewers understand what herd immunity means, how we can reach it through mass vaccinations for COVID-19, and why it’s important to get the whole family vaccinated to help stop the spread of COVID-19. Herd immunity is a hot topic, and Dr. Ban brings his insights and expertise to this informative video. For more information from Walgreens about the COVID-19 vaccine visit Walgreens.com/COVID19Vaccine