Flu (influenza)

Flu is a virus that spreads in the winter months. Find out more about what flu is, how it affects people with lung conditions and how you can prevent it. 

Man sitting on chair in a blanket with his hand on his head

Flu symptoms and treatment

Find out about the symptoms of flu, when to get medical help for flu and how to treat flu.
Person receiving a vaccination from a healthcare professional

How can I prevent flu?

Find out about flu vaccines and other ways to prevent catching and spreading flu.
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