Our Symptom checker provides clinical advice on what to do next based on your symptoms.
Influenza A (flu)
Influenza A is a highly contagious respiratory illness. It’s not usually dangerous if you are healthy, but can cause serious problems if you’re not. Find out more about what influenza A is, what the symptoms are and how to treat it.
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.
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.
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.
Colds and flu in babies and children
Here is information on the causes, symptoms, diagnosis and treatments of coughs, colds and flu in children and babies and when to seek medical advice.
Avian influenza (bird flu)
Information about avian influenza (bird flu) from leading Australian health organisations, including links to content on avian influenza in humans.
Why getting a flu vaccination now will help in the fight against COVID-19
Australians are being urged to get their flu vaccination as soon as possible — to reduce the risk of a dangerous double-up of seasonal influenza and coronavirus (COVID-19).
Flu trend report for health professionals
Staff at Healthdirect Australia collect influenza (flu) data based on calls to the healthdirect helpline. This page provides a detailed flu data report for health professionals.
Flu trends in Australia
Information about current influenza trends in Australia, including data for health professionals, plus tips and advice to help you prevent the flu.
What is a pandemic?
A pandemic is the worldwide spread of a new disease, such as the coronavirus (COVID-19) or a new influenza virus. Here's what you need to know, including how epidemics are different.