Queensland has been put on high alert after coronavirus was found in sewage at a string of wastewater treatment plants, including three in Brisbane.
Viral fragments of the virus were detected at facilities in the state capital, as well as those servicing Hervey Bay - such as one in Maryborough.
In total, seven plants showed evidence of the virus - Caboolture South, Oxley Creek, Bundamba, Gibson Island, Luggage Point, Maryborough and Pulgul.
While it is not unexpected for the virus to be detected in Brisbane s waters, due to infections in hotel quarantine, the other plants are a cause for concern.