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Scientists are sifting through the sewage of a town in central Queensland to try to find the source of a Covid-19 infection that led to the death of 30-year-old Nathan Turner, the youngest person in Australia to die after contracting the virus.
Queensland recorded no new cases of Covid-19 on Saturday, and has just six cases lifted as active. The source of the infection that killed Turner remains a mystery.
Testing the sewage could also reveal how many people in Blackwater may have been exposed or unknowingly have the virus if traces are detected in the waste.
Meanwhile investigators are working to “untangle” the changing story of a nurse at the centre of two coronavirus scares in Queensland to determine if she could be the source.