Learn how the vaccine was discovered, the differences between the two vaccines and the goal of worldwide polio eradication.

Supplies parents of babies up to one year old with facts about the poliovirus and how to protect against it.

Article reports that a Centers for Disease Control and Prevention panel voted against the oral vaccine due to risk of vaccine-associated polio.

Read about the history behind the lifesaving vaccine. Includes details on how Salk's killed-virus vaccine came about.