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Polio vaccine


WHO: The Two Polio Vaccines


Polio Vaccine - Vaccines and Your Baby - The Children's Hospital of Philadelphia (11 of 14)


The Backstory: The rollout of the polio vaccine | KVUE


Contaminated Polio Vaccine Given To Children In UP, Probe Ordered


WHO: Vaccine-derived polioviruses

Polio vaccines are vaccines used to prevent poliomyelitis (polio). Two types are used: an inactivated poliovirus given by injection (IPV) and a weakened poliovirus given by mouth (OPV). The World Health Organization recommends all children be fully vaccinated against polio. The two vaccines have eliminated polio from most of the world, and reduced the number of cases reported each year from an estimated 350,000 in 1988 to 22 in 2017.
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