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Wirral University Hospital NHS Foundation Trust

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Who has an increased risk of the effects of flu?

Flu can affect anyone but if you have a long-term health condition the effects of flu can make it worse even if the condition is well managed and you normally feel well. You should have the free flu vaccine if you are:

pregnant or have a long term condition such as:

A heart problem 

A chest complaint or breathing difficulties, including bronchitis, emphysema or severe asthma

A kidney disease

A lowered immunity due to disease or treatment (such as steroid medication or cancer treatment)

liver disease

Had a stroke or a transient ischaemic attack (TIA)


A neurological condition, eg multiple sclerosis (MS), cerebral palsy or learning disability

A problem with your spleen, eg sickle cell disease, or you have had your spleen removed

Are seriously overweight (BMI of 40 and above)

This list of conditions isn’t definitive. It’s always an issue of clinical judgement. Your GP can assess you to take into account the risk of flu making any underlying illness you may have worse, as well as your risk of serious illness from flu itself.