Bird flu scare fuels warnings on transmission risk; H5N1 has jumped from birds to humans in isolated cases, prompting monitoring ahead of mass gatherings like the World Cup.
Public health teams are expanding disease surveillance for the 2026 World Cup across the U.S., Canada and Mexico. The effort includes wastewater testing, social-media monitoring and data-sharing with hospitals, aiming to detect outbreaks early as millions attend the tournament.
Migratory seabird in Western Australia tests positive for avian influenza H5. Officials confirm suspected case; further testing ongoing. Government prepares national response as experts assess risk to wildlife and poultry.