The number of people in Wales taking up free flu jabs is lower than in England, Ireland and Scotland.
Only half the people who are classed as most at risk of getting serious complications are protecting themselves from it.
Now doctors here are calling for more people to have a flu vaccination.
Our Health Correspondent Mariclare Carey-Jones has been investigting
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A glorious end to the week, with sunshine which may turn a little hazy later! Temperatures will peak today!
A dry night with incredibly mild temperatures. Setting us up for another lovely day tomorrow!