Early detection is key to managing outbreaks and protecting vulnerable groups.”

As of May 22, more than 80,000 flu cases have been confirmed across Australia—a more than 50% increase from the same time last year. Influenza, typically caused by type A or B viruses, is a highly contagious respiratory infection with several subtypes and strains.

COVID-19 cases are also expected to surge in the coming months, driven largely by a highly transmissible Omicron subvariant known as LP.8.1. This strain was responsible for 60% of COVID cases in the UK by March and has been linked to significant outbreaks overseas since late 2024. While not more severe than previous strains, it appears to spread more easily.

Professor Catherine Bennett, an epidemiologist at Deakin University, emphasized the importance of staying current with COVID vaccinations—especially for those over 65