Flu is a common infection that can make some people seriously ill, particularly young children, older people, pregnant women and those with certain health conditions.
Find out how to recognise flu symptoms, protect yourself and others, get vaccinated, and know when to seek medical help.
Flu symptoms
Check if you are eligible for a free flu vaccine
Where to get vaccinated
Flu vaccination and pregnancy
Help stop flu spreading
Treating flu at home
Common questions about the flu vaccine
More flu advice and support
For additional information about flu, vaccination and preventing the spread of infection, visit the following trusted websites.
Flu news and updates

Northern Trust flu vaccine clinics get underway
The Northern Health and Social Care Trust is reminding people about the importance of the flu vaccine as its winter vaccination clinics get underway. All those who are eligible...