The Lancet  
Nov 16, 2013   Volume 382 Number 9905  p1609 – 1678 e23 – 24
http://www.thelancet.com/journals/lancet/issue/current

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Polio lessons 2013: Israel, the West Bank, and Gaza
Theodore H Tulchinsky, Asad Ramlawi, Ziad Abdeen, Itamar Grotto, Antoine Flahault
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In 2013, Israel’s Ministry of Health reported that wild poliovirus (ie, non Sabin) type 1 (WPV1) had been detected in many environmental sewage samples from southern and central Israel.1 WHO also reported that WPV1 had been isolated in Israeli sewage samples and in stool samples; by contrast, there were only three positive sewage samples in the West Bank and one in the Gaza Strip, with no positive stool samples from ten samples from patients with suspected acute flaccid paralysis.2 The virus has been identified as the same virus present in Egypt; both viruses are related to the WPV1 still endemic in Pakistan.