While it can happen any time, it's more common to catch the flu, or experience flu-like symptoms, in the colder months of the year (April to October).
Read on for information about current flu risk levels and trends, both across Australia and by state or territory. This page also offers tips and advice to help you prevent colds and flu.
The flu risk Australia-wide is low (updated 11 June 2018).
By state or territory
The current flu risk is 'high' for ACT, 'moderate' for Tas and 'low' for NSW, NT, SA and WA (data for Qld and Vic is currently unavailable).
6 ways to fight the flu
Get a flu shot
Wash your hands
Cover coughs and sneezes
Bin your tissues
Keep surfaces clean
Self-care at home
NOTE: Antibiotics won't help
Flu trends and forecast
Flu risk typically stays low during the summer months and rises to a moderate or high risk at the peak of flu season. The risk is only intense in years of unusual flu activity, such as in 2009 when a new strain of influenza emerged.
When the blue line is within the grey shaded area in the below graph, it's a typical flu season. If the blue line rises above the shaded area this may be the first sign of an increase in flu-like illness in Australia.
Read here if you would like to learn more about how Healthdirect Australia's flu data is collected and calculated.
Learn more about colds and flu
Is it a cold or a flu? View this infographic to tell the difference:
Watch this video to learn more about flu vaccination, why it's so important and when to have the shot:
NOTE: This video was produced by the Department of Health in 2016, but the information is still relevant.
Last reviewed: June 2018
Healthdirect 24hr 7 days a week hotline
24 hour health advice and information you can count on
Government Accredited with over 140 information partners
We are a government-funded service, providing quality, approved health information