QUIRINDI could be on the verge of a COVID-19 outbreak as fragments of the virus have been detected in the town's sewage.
Public health physician Dr David Durrheim said he was recently notified of the fragments at Quirindi.
"The recent detections are a good reminder for everyone in this area, and not only in this specific catchment area, to come forward for testing even if they have the mildest of symptoms, so we can identify any unknown cases in the community and reduce transmission," he said.
There was positive news for the rest of the region with a donut day for Tamworth, Moree, Armidale, Gunnedah and Uralla.
Newcastle and the Mid-Coast weren't as lucky with seven new cases spread across the regions.
It brings the total number of cases in the district to 4,347 since August 5.
In the last week, 1673 people have been tested in Tamworth, with another 180 in Gunnedah.
Dr Durrheim has urged anyone who is isolating in the community with COVID-19 to call for an ambulance if they feel dizzy, breathless or their condition deteriorates.
New rules are in place for returning travellers as a result of the Omicron variant.
In line with federal government measures, all travellers arriving in NSW who have been in South Africa, Lesotho, Botswana, Zimbabwe, Mozambique, Namibia, Eswatini and Malawi in the 14 days before their return must enter hotel quarantine for two weeks, regardless of their vaccination status.
All fully-vaccinated travellers who have been in any overseas country before their return must travel directly to their home and isolate for 72 hours.
They will only be able to leave isolation at the end of the three days if they have received a negative result, and must complete a PCR test on day six.
Anyone who has already arrived in NSW who has been in any of the eight African countries within the previous 14 days must immediately get tested and isolate for 14 days, and call NSW Health on 1800 943 553.
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