Why Australia's flu calendar runs on its own clock — Southern Hemisphere strain selection, season timing, and what shifts year to year through AIH and ATAGI surveillance.
Common Questions, Answered
Australian Flu Season 2026: When It Starts, Peak Weeks and Vaccination Timing
Australia's flu season usually runs from April to October, with the heaviest activity between June and September and August often the busiest month.
Vaccine Science
Understanding the Flu Vaccine for the Southern Hemisphere
Get the latest information on Influenza for the Southern Hemisphere, including the latest flu strains and Corporate Care's flu programs.