The second vaccine, the oral poliovirus vaccine, or OPV, is given orally and uses a live weakened version of the virus. It was the most common vaccine since it was developed in 1961.

WebMD explains about the inactivated polio vaccine (IPV), including its benefits, recommended immunization schedule, possible risks, and potential side effects.

The vaccine has helped eradicate two of the three wild poliovirus strains, according to the World Health Organization (WHO). Types 2 and 3 were eradicated in 1999 and 2020, respectively.

The oral polio vaccine has not been administered in the United States since 2000. Today, the polio vaccine in the United States is a highly effective shot, which does not contain live virus, ...

The polio vaccine protects your baby against polio, a disease that has led to paralysis in millions of children worldwide. The polio vaccine used in the U.S. contains three types of inactivated ...

A more affordable, lower-risk polio vaccine is on the horizon, research led by the University of Leeds has found. Researchers have taken a major step towards producing a more affordable and lower ...