National incident declared over polio virus findings in London sewage

https://www.theguardian.com/society/...ver-poliovirus

"....Public health officials have declared a national incident after routine surveillance of wastewater in north and east London found evidence of community transmission of poliovirus for the first time...."

We aren't looking at a polio outbreak but still an interesting story. I didn't realise we regularly screened waste water for polio

via International Skeptics Forum https://ift.tt/V5AwprL