Human cases keep ticking up, are very likely to be underreported, and offer the virus the opportunity to learn how to spread from person to person.
https://www.wired.com/story/bird-flu-human-transmission-colorado-farms-poultry-usa/?utm_source=dlvr.it&utm_medium=blogger
https://www.wired.com/story/bird-flu-human-transmission-colorado-farms-poultry-usa/?utm_source=dlvr.it&utm_medium=blogger