Our Symptom checker provides clinical advice on what to do next based on your symptoms.
A cold is a viral infection that affects the nose, the throat and upper airways. Find out more about the common cold.
Coronaviruses can cause several illnesses, from the common cold to serious respiratory infections and pneumonia. Find out more about the symptoms here.
Colds and flu
Find out more about how to treat the cold or flu, how to avoid catching the cold or the flu, and special information on being ill during pregnancy and looking babies and children with a cold or flu.
10 tips to fight the flu – infographic
Flu vaccine and good hygiene are some of the most important ways to help prevent colds and flu. Here's a handy list of tips to fight the flu.
Cold or flu? (infographic)
Can't tell if you've got the cold or the flu? This infographic helps you compare cold and flu symptoms, debunk the most common myths.
Fever in children - infographic
When should a child with a fever see a doctor? How do I treat a fever at home? Answer these questions and more with this infographic about fever in children.
Sinusitis is when the hollow spaces in the bones of your face become inflamed. Sinusitis is a common symptom for colds and the flu and it can be difficult to tell the difference between them.
The flu is a viral infection affecting your nose, throat and sometimes your lungs. It is typically more severe than a cold. Find out more about the flu.
How colds and flu impact blood donations — and how you can help
Up to 1,400 people per day are cancelling their blood donation appointments, following an early start to the cold and flu season. Here's how your donation can help.
Hand washing is also one of the most important ways to prevent the spread of infection by the accumulation of germs on your hands.