Is polio in our sewage as worrying as it sounds?

Last week, public health officials declared a ‘national incident’ after they found vaccine-derived poliovirus in London sewage samples. No cases of polio symptoms have been reported but there is evidence the virus is spreading. So what does it mean to have found the virus almost 20 years after the UK was declared polio-free? Ian Sample spea ks to epidemiologistNicholas Grassly to find out how worried we should be and what it means for the global effort to eradicate polio.Archive: Sky NewsContinue reading...

Source: Guardian Unlimited Science - June 30, 2022 Category: Science Authors: Presented by Ian Sample with Nicholas Grassly. Produced by Joleen Goffin , sound design by Tony Onuchukwu. The executive producer is Lorna Stewart Tags: Science Polio Health Global health Vaccines and immunisation Source Type: news