The man is thought to have travelled to Northern Ireland from Wuhan, the city in China where the virus is thought to have originated.
The suspected case in Northern Ireland comes only a few hours after it was confirmed four people were being treated for suspected cases of the virus in Scotland.
The coronavirus has so far killed 17 people China with more than 500 other people infected.
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The virus has spread to other countries including USA, Japan, Thailand and South Korea.