Do you need a polio booster shot? Everything you need to know about polio vaccines

Adults who doubt they have been fully vaccinated against polio should talk to their doctors about getting additional shots, experts say. A confirmed case of polio in New York state has renewed a sense of urgency to make sure everyone is fully vaccinated against the potentially fatal virus, said Duke infectious disease expert Dr. Cameron Wolfe. “We never really worried about that because so many people had been vaccinated effectively that the disease was gone from the U.S. for decades,” Wolfe said. “Until now.” This is especially true for children who may have fallen behind on their vaccine ser...