Northern Ireland's first case of swine flu has been confirmed by the Department of Health.
A man in Co Antrim, who had recently returned from holiday in Mexico, tested positive for the infection.
The man is recovering well at home, NI Health Minister Michael McGimpsey said.
151 passengers and crew on board the man's return Easyjet flight (EZY 737) from London Gatwick to Belfast International on the 8 May are also being notified.
However, it was stressed that because it was a short haul flight the risk of infection was very low.
The Director of Northern Ireland's Public Health Agency, Dr Carolyn Harper, said that, at this stage, there are no other suspected cases.
Minister McGimpsey urged people not to panic, and stressed that this was not an unexpected development.
So far there have been 55 negative cases of the virus in Northern Ireland.
The latest WHO figures show that 33 countries have reported almost 6,500 cases the H1N1 influenza infection, including 65 deaths.
View HSE swine flu leaflet
Ireland has had one confirmed case of swine flu.
Next week’s WHO annual assembly is expected to focus on the world’s readiness for a H1N1 pandemic and the development of a vaccine.
The health organisation is likely to cut the length of its assembly from nine days to four, to allow health ministers to return home and monitor the swine flu situation.
Swine flu is a hybrid flu that scientists say is a mix of swine, bird and human viruses.
