Queensland Health says a dengue fever outbreak in Townsville in the state's north is officially over.
Officials cancelled the health alert on Friday after no new cases of the mosquito borne virus were detected for a three-month period.
A total of 26 cases were reported in Townsville and Ingham this season.
Dr Steven Donohue, from the local public health unit, says despite an end to the outbreak, residents still need to be vigilant.
"It could come in at any time, so if there's a neglected pond, a bath or a pool, and it's pumping out this type of mosquito, we could get cases tomorrow," he said.
"But in general you're more likely to get cases once the number of these mosquitoes start rising around town."
Dr Donohue says it has taken a huge effort to keep the mosquito that carries the virus from spreading the disease.
"Fortunately with very constant mosquito control in north Queensland towns, we can keep those numbers very low but it's not for a lack of effort," he said.
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