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Published : 20 May 2025, 08:55 PM
The World Health Organisation (WHO) said on Tuesday that circulating vaccine-derived poliovirus type 2 (cVDPV2) had been detected in stool specimens of two healthy children in Papua New Guinea on May 9.
The detection of wild poliovirus or vaccine-derived poliovirus, including from samples taken from healthy children, is considered a serious public health event, WHO said in a statement.
It added that the detection of circulating type 2 poliovirus was classified as a "polio outbreak".
