Experts warn bird flu virus changing rapidly in largest ever outbreak

PARIS/HANOI, June 3, 2023 (AFP): The virus causing record cases of avian influenza in birds across the world is changing rapidly, experts have warned, as calls increase for countries to vaccinate their poultry.

While emphasising that the risk to humans remains low, the experts who spoke to AFP said that the surging number of bird flu cases in mammals was a cause for concern.