The MIA has clocked up 15 days without a confirmed case of coronavirus.
While the milestone is a positive one, Murrumbidgee Local Health District are encouraging people to get tested to ensure the area is free of the virus.
So far, 3526 people have been tested for COVID-19 across MLHD's area.
All visitors to Griffith Base Hospital, Leeton District Hopsital and other facilities will have their temperature checked at the door, and MLHD staff have been training for scenarios if further cases are confirmed.
Meanwhile, follow-up testing has cleared a man from the Wagga area who had earlier returned a "low positive" reading for the coronavirus.
The man, aged in his 60s, who lives in the Wagga Wagga local government area, was being treated at that city's base hospital.
The now-negative result means the number of positives cases for COVID-19 in the Murrumbidgee Local Health District stands at 45, as of Monday morning.
Thirty-nine of those 45 cases are considered to be recovered patients. Currently there is no one being treated for COVID-19 in any of the region's hospitals.
Anyone who believes they may have contracted the COVID-19 virus should call the Murrumbidgee COVID-19 hotline on 1800 831 099 - daily between from 7am and 9pm - for a confidential over the phone assessment.
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