Pay no attention to the South East Poultry Research Lab.
They were running serial passaging of H5Nx in Mallard Ducks and made more virulent viruses.
These are RNA viruses and have no history of traversing the world.
Just repeat fancy phrases you don’t understand like ‘quasi species swarm’.
https://x.com/Kevin_McKernan/status/1798693398746128842
https://www.preprints.org/manuscript/202406.0060/v1
https://www.gfb.org/news/gfb-news-magazine/post/usda-southeast-poultry-lab-updated-for-21st-century