Canberra's peak medical body is urging people not to travel to Melbourne and for anyone with symptoms to get tested for coronavirus
It comes as people attending the main testing centres at Weston Creek walk-in centre and EPIC drive-through continue to face long queues.
Health Minister Rachel Stephen-Smith has urged people to consider alternative free testing sites, including a number of Commonwealth funded GP assessment clinics in Tuggeranong and Crace.
Australian Medical Association ACT president Antonio Di Dio said Canberrans should avoid Melbourne.
Victoria is battling to keep outbreaks of the virus under control, with 20 more cases recorded on Wednesday. Local government areas of Hume, Casey, Brimbank, Moreland, Cardinia and Darebin have been named as hotspots
"I don't think we should be going to Melbourne unless there's a very, very good reason," Dr Di Dio said.
"I think for the benefit of all the people in Victoria and ourselves as well, we should only be travelling when we really need to.
"I think we should be as unselfish as we can."
Dr Di Dio said he was worried people with cold and flu symptoms believed they did not need to be tested.
"I've been advised that some people with symptoms have been told to stay home and don't bother being tested," he said.
"If that's the truth it concerns me.
"If you have a very mild cold and you're not sure whether you should get tested or not, pick up the phone and get some advice."
Ms Stephen-Smith on Wednesday said more than 1000 people had turned up for testing over the past two days, with Monday the highest number in a single day.
The average wait time for testing at the walk-in centre and EPIC was two and a half hours.
She said the GP respiratory assessment clinics were available to take appointments, and urged people to consider getting tested at the sites.
The clinics are Your GP@Crace and Lakeview Medical Practice Tuggeranong.
Winnunga Nimmityjah Aboriginal Health and Community Services is also offering testing for Aboriginal and Torres Strait Islander people.
Chief Health Officer Kerryn Coleman said anyone with symptoms should get tested.
"We really need Canberrans to continue to be tested so that we can understand what's happening in the community, particularly as we may start to see those respiratory viruses circulating," she said.
Dr Coleman did not caution against travel to Melbourne, only recommending people avoid the hotspots.
