Northern Ireland has announced an Avian Influenza Prevention Zone after bird flu was detected in several wild birds, imposing strict biosecurity measures on bird-keepers.

Bird flu has been detected in two ringed seals near Resolute Bay, Nunavut, following a previous case in a seabird, marking an unusual occurrence of the virus in marine mammals.

A teenager in British Columbia has tested positive for H5N1 avian influenza and remains in critical condition, with health officials unable to identify the source of exposure despite extensive contact tracing.

A bald eagle rescued in Haines, Alaska, tested positive for avian flu after being taken to the Alaska Raptor Center. The flu, affecting birds across the state, also raises concerns for domestic poultry and public health.