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Australia's Flu Threat: New Strain Sparks Alarm
9 Apr
Summary
- New 'Super-K' flu strain is fast-spreading and vaccine-resistant.
- 2025 saw over 1700 flu deaths, surpassing COVID-19 fatalities.
- Childhood vaccination rates for flu have dropped over 40% since 2020.

Australia is facing a heightened risk of a severe influenza season due to slumping vaccination rates and the emergence of a new, fast-spreading strain.
Experts warn that the current situation leaves the nation unprepared for the potential impact, especially after 2025's record-breaking season which saw over half a million infections and 1738 deaths, surpassing COVID-19 fatalities.
The newly identified 'Super-K' strain is a significant concern, exhibiting rapid spread and increased resistance to existing immunity and vaccines. January 2026 alone saw 101 flu deaths, a stark increase from the previous year.
Contributing to the vulnerability is a significant decline in vaccination uptake. Between 2020 and September 2025, flu vaccination for children under five dropped by over 40%. Nationally, less than one-third of Australians received the flu jab in 2025, attributed to 'vaccination fatigue' and lingering pandemic-related dissatisfaction.
To combat this, new jab-free nasal spray vaccines are being promoted for children in several states, though access varies and broader availability is sought. Traditional flu injections remain free for key vulnerable groups.