Polio is a deadly disease with a vaccine that RFK Jr.'s adviser wants to ban. Here's how the immunization works.

The article focuses on the polio vaccine, its historical significance, and current discussions surrounding its safety and efficacy. It highlights the dramatic decline of polio cases in the U.S. due to widespread vaccination, with the Centers for Disease Control and Prevention (CDC) stating that the inactivated polio vaccine (IPV) provides at least 90% protection after two doses. The article also addresses recent controversies involving Robert F. Kennedy Jr., who has been appointed to lead the Department of Health and Human Services, and his advisor's petition to the FDA questioning the vaccine's safety. Additionally, it outlines the symptoms, transmission, and treatment of polio, emphasizing the importance of vaccination in preventing the disease. [Extracted from the article]