The fragile ecosystem of the Antarctic island of South Georgia had been free of the virus until it was first detected during the 2022-23 summer season. Genetic assessment found the virus spread from South America, likely through migratory birds, and infected a range of birds such as black-browed albatross, skuas, kelp gulls, and even two seal species.
This is a companion discussion topic for the original entry at https://www.sciencemediacentre.co.nz/2024/09/04/avian-flus-spread-to-remote-antarctic-islands-expert-reaction/