Sewers under Solihull could hold 'early warning' key to finding Covid variants Traces in human waste can highlight worrying signs 14:02, 26 MAY 2021 Updated Human waste can contain fragments of the virus, with samples taken at sites including Minworth Sewage Treatment Works. (Image: Birmingham Live) Get the latest news from MySolihull straight to your inboxInvalid EmailSomething went wrong, please try again later. Sign Up When you subscribe we will use the information you provide to send you these newsletters. Your information will be used in accordance with ourPrivacy Notice. Thank you for subscribingWe have more newslettersShow meSee ourprivacy notice Sewage samples could act as an "early warning system" for worrying new strains of Covid-19 in Solihull.