Polio immunization vaccine is effective:

Explanation

Polio, or poliomyelitis, is a disabling and potentially deadly disease. It is caused by the poliovirus. The virus spreads from person to person and can infect a person's spinal cord, causing paralysis. There is no cure for polio, but it can be prevented with safe and effective vaccination.Two types of vaccines protect against polio, or poliomyelitis: 1. Inactivated poliovirus vaccine (IPV) - It is given by a shot in the leg or arm, depending on the patient's age. 2. Oral poliovirus vaccine (OPV) - Children receive doses of the vaccine by drops in the mouth.A person is considered to be fully vaccinated if they received:Four doses of any combination of IPV and trivalent oral polio vaccine (tOPV), orA primary series of at least three doses of IPV or tOPVTwo doses of inactivated polio vaccine (IPV) are 90% effective or more against polio; three doses are 99% to 100% effective.