Vaccine rollout is well on its way in the U.S., with nearly every state allowing anyone aged 16 and up to get their doses and more than 76.6 million Americans now fully vaccinated against COVID-19. After 14 months of the pandemic, an end finally seems within reach. But as more people get their shots, questions have come up about everything from the new variants circulating through the country to if side effects after the first dose are a sign that a person has already had COVID-19.  Here, Dr. Reynold Panettieri, professor of medicine and a pulmonary physician at Rutgers University’s Robert Wood Johnson Medical School, shares what people need to know now about COVID-19 and the vaccines. To read the full story.