Vaccine Hesitancy: Public Trust, Expertise, and the War on ScienceThe public has voiced concern over the adverse effects of vaccines from the moment Dr. Edward Jenner introduced the first smallpox vaccine in 1796. The controversy over childhood immunization intensified in 1998, when Dr. Andrew Wakefield linked the MMR vaccine to autism. Although Wakefield's findings were later discredited and retracted, and medical and scientific evidence suggests routine immunizations have significantly reduced life threatening