Most people only experience little or no symptoms, however some person experience paralysis.
Types 2 and 3 of the wild poliovirus are no longer present, although type 1 is still present in various regions of the world. The greatest approach to prevent polio is through vaccination.
The OPV is administered orally as drops. In the US, the inactivated polio vaccine (IPV) has taken the position of the OPV.
Except in a few circumstances, the OPV is no longer utilised in the United States. The following people can receive OPV doses spaced 4 to 8 weeks apart: