On 9 May 2019, the Global Polio Laboratory Network (GPLN) notified WHO of the detection of wild poliovirus type 1 (WPV1) from an environmental sewage sample collected on 20 April 2019 in Konarak district, Sistan-Baluchistan province, Islamic Republic of Iran. The virus was detected in an environmental sample only, and to date, no associated cases of paralysis have been detected.
The subsequent scheduled sewage sample collected from the same site on 4 May 2019 (2 weeks after the positive sample) tested negative for poliovirus.
Published on May 24, 2019
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