Captive native birds to receive H5N1 vaccine as Australia braces for outbreak

Australia is set to launch a targeted vaccination

Australia is set to launch a targeted vaccination program aimed at shielding its native bird populations from the lethal H5N1 avian influenza strain, with the initial rollout prioritising birds held in captivity.

The decision, announced by federal authorities, comes as part of a broader national preparedness plan to mitigate the potential impact of the virus, which has devastated wild and domestic bird flocks across multiple continents. While the vaccine will not be administered to free-ranging wild birds at this stage, captive populations—including those in zoos, wildlife sanctuaries, and breeding facilities—are considered the most vulnerable and manageable group for immunisation.

Health and environment officials stressed that the vaccine is not a substitute for biosecurity measures but rather an additional layer of defence. The H5N1 strain, which has caused mass mortality events in seabirds and poultry overseas, has not yet been detected in Australia, but experts warn that migratory pathways could introduce it at any time.

Veterinary scientists have worked to develop a vaccine

Veterinary scientists have worked to develop a vaccine tailored to local species, acknowledging that immune responses can vary significantly across different bird families. The rollout will be phased, beginning with species deemed at highest risk of exposure or those critical to conservation breeding programs.

Wildlife managers have welcomed the move, noting that captive birds often serve as genetic reservoirs for endangered species. A successful vaccination campaign could help prevent catastrophic losses in facilities that house some of the nation's rarest birds, such as the orange-bellied parrot and the regent honeyeater.

Authorities have also called on private bird keepers and aviculturists to review their own biosecurity protocols, including limiting contact between domestic birds and wild waterfowl. While the vaccine is not yet available for commercial poultry, government agencies are monitoring the situation closely and may extend the program if the virus reaches Australian shores.

The announcement follows months of consultation with wil…

The announcement follows months of consultation with wildlife health experts, state governments, and conservation groups. Officials say that ongoing surveillance of wild bird populations will continue to inform any adjustments to the vaccination strategy, ensuring that resources are deployed where they can do the most good.