National incident declared after UK health officials detect polio virus in London sewage samples - Earth News Report
U.K. health authorities have said they are "urgently" investigating a rare poliovirus discovery in sewage samples in London.Picture Alliance | Getty ImagesU.K. health authorities have said they are urgently investigating a rare polio virus discovery in sewage samples in London, potentially putting Britain's polio-free status at risk for the first time in almost two decades.A
