Since Edward Jenner introduced the first successful smallpox vaccine by injecting an eight-year-old boy with cowpox pus in 1796, vaccines have been an important part of public health care around the world (“Edward Jenner”). Yet today, many parents choose not to vaccinate their children. Because vaccines are widely supported by research, have few side effects, and have proven successful in halting the spread of disease, I believe it is important that all parents continue to vaccinate their children.