Polio: Should we be worried about virus found in London sewage?
https://www.newscientist.com/article/2325891-polio-should-we-be-worried-about-virus-found-in-london-sewage/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home
Polio: Should we be worried about virus found in London sewage?