In July of this year, poliovirus was detected in environmental samples from the Gaza Strip. In August, a 10-month-old boy became the first confirmed case in Gaza in the last 25 years, leading to an ongoing vaccination campaign in the Gaza Strip. In this episode, we hear from three polio experts from around the world – working in regions where wild polio has long been eradicated, to the two countries where wild polio remains endemic.

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