New Brunswick Public Health is warning passengers about possible exposure to COVID-19 on a recent flight from Toronto to Moncton.
Officials say the international traveller with a confirmed case may have been infectious on Air Canada flight 8910 on Thursday, September 3.
Passengers are being asked to monitor for symptoms of the virus for 14 days.
Meantime, three active cases of COVID-19 remain in New Brunswick and there are no new cases.
Prince Edward Island has two new cases although one is a child who has already recovered and the other is an essential worker in his 50s from outside Canada who is now self-isolating.
Newfoundland and Labrador has two active cases while Nova Scotia still has one.