How Australia is embracing sewage in the fight against coronavirus

A number of states are testing human waste to determine the virus' prevalence - but with mixed result

Early research from Spain has suggested public health officials can estimate the prevalence of COVID-19 within 10% accuracy of serology survey by simply testing the sewage.

The advantage of this approach is avoiding the time and expense needed to go antibody-testing the whole population.

But the Victorian experience has perhaps shown the limitations of coronavirus surveillance in the sewage.

The state’s Chief