The Health Service Executive is urging everyone over 65, pregnant woman, people with chronic illnesses and healthcare workers to get vaccinated against influenza.
Over 56% of people over 65 with a medical card were immunised against flu in 2011, down from 60% the year before and significantly below the World Health Organisation's target of 75%.
Launching its annual flu vaccination campaign, the HSE stressed that the vaccine is the best defence against what can be a very serious illness.
The vaccine is free for at-risk groups, while people with a medical or GP visit card can also get the vaccine and their consultation for free.
Director of Public Health with the HSE in Donegal, Dr Anthony Brelsin, stressed the vaccine doesn't give people the flu...