Polio detected in the US and abroad. The culprit might be a polio vaccine.

The World

Polio has been found in the US, the UK and Israel, and it appears the cause is an oral polio vaccine. In New York, London and Jerusalem, there have been isolated cases of the disease, which can lead to paralysis and death. To learn more, host Marco Werman spoke to Oliver Rosenbauer, spokesperson for polio eradication at the World Health Organization.

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