Australia confirms first H5N1 bird flu case on mainland, raising global alert

International Desk, PNN

Australia has confirmed the first detection of the H5N1 bird flu virus on its mainland, prompting the government to announce maximum containment measures. With this development, the virus is believed to have been detected across all continents globally.

Authorities said on Saturday (June 20) that the virus was identified in a migratory brown skua bird at Cape Le Grand National Park in Western Australia. A giant petrel found in the same area is also suspected of infection.

Prime Minister Anthony Albanese described the situation as “concerning” and said the government would take “all possible measures” to prevent the spread of the virus. He added that surveillance and control systems will be strengthened.

Agriculture Minister Julie Collins said no outbreak has been detected in poultry farms or agricultural sectors so far. She noted that Australia would not be able to remain permanently free of bird flu.

Experts say H5N1 has already spread in several countries, posing risks to wildlife and livestock. While human infection remains rare, the virus has caused the deaths of millions of birds globally and impacted food supply and market prices.

Earlier, the virus was detected in Australia’s sub-Antarctic Heard Island in late 2025, but this is the first confirmed case on the mainland.

Analysts say this new detection highlights the need for increased global vigilance in animal health and public health systems.