They suggested that eradication is possible only through ensuring the highest possible vaccination coverage worldwide and maintaining it indefinitely. Vaccination policies must be tailored individually for different regions of the world and use both the polio vaccine made of inactivated virus (in combination with other vaccines), as well as improved novel oral polio vaccines that use live, weakened virus.

Source: Polio eradication is possible only through ensuring the highest possible vaccination coverage worldwide and maintaining it indefinitely – Outbreak News Today