Murrumbidgee has recorded the state's highest number of influenza cases for the past two weeks, as what has been described as one of the longest NSW seasons comes to an end.
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In the week ending October 13, there were 76 reported cases of flu across the region, according to the weekly Influenza Surveillance Report from NSW Health.
The next closest result was in the Northern Sydney Local Health District, where 70 cases were recorded.
A week earlier - for the seven-day period ending on October 6 - Murrumbidgee recorded 118 cases, just four more than the 114 in Northern Sydney.
The Murrumbidgee's flu season peaked in July. In the week ending July 14, there were 385 reported cases across the region.
The 76 cases reported in the week ending October 13 is the lowest number since 48 were reported for the seven-period up to May 19.
Director of public health for the Murrumbidgee Local Health District Tracy Oakman said the number of flu cases was tapering off, but could not pinpoint a reason why Murrumbidgee had the state's highest levels for the past two weeks.
"It's now nearly down to the inter-seasonal levels," Mrs Oakman said.
"Doctors are obviously still testing, as that data is from test results. People who aren't testing but are just diagnosing are obviously not reflected in those results.
"I've really got no explanation as to why this region might have a higher rate than somewhere else. It just depends on who're the immune people and where the flu's been at the time.
"When you look at our ED presentations and GP presentations, it's all really down low again now, which is great."