The World Health Organisation (WHO) and British health authorities said that a type of polio virus has been detected in London sewage samples, in a statement on Wednesday, 22 June.
"The Global Polio Laboratory Network (GPLN) has confirmed the isolation of type 2 vaccine-derived poliovirus (VDPV2) from environmental samples in London, United Kingdom (UK), which were detected as part of ongoing disease surveillance."WHO statement


