Can vaccines stop deadly bird flu from spreading? (opens original article in a new tab)

Australia is evaluating bird flu vaccines as the H5N1 strain spreads, with challenges including silent virus transmission and the need for updated vaccines.

• Australia has not allowed routine poultry vaccination for bird flu, but is considering it as H5N1 spreads globally.
• Vaccines can limit disease but may allow silent virus spread, requiring ongoing surveillance and updates.
• Some countries vaccinate wild birds like California condors, while Australia tests vaccines on captive species.