Reported cases of paralytic polio from wild vs. vaccine-derived
polioviruses, World

The number of reported cases of poliovirus, broken down by the type of poliovirus: wild poliovirus versus vaccine-derivedpoliovirus.

1990202319952000200520102015202010,000Vaccine-derived poliovirus cases

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Reported cases of paralytic polio from wild vs. vaccine-derived polioviruses

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