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There is a sanitation crisis In numerous informal settlements around South Africa. Photo: Sewage waste. Delwyn Verasamy/M&G
COVID 19

Testing sewage: The Covid canary in our wastewater

Local scientists are using wastewater-based epidemiology to trace the SARS-CoV-2 virus in South Africa’s sewage system, which could act as an early warning system for outbreaks…

  • Elna Schütz
6 min read