The Washington State Dept. of Agriculture just released the latest
information for the public to know to "Stop the spread of bird flu: Public
asked not to touch wild birds and to take precautions handling domestic
birds"
You can read the news release here:

https://agr.wa.gov/about-wsda/news-and-media-relations/news-releases?article=45182&utm_medium=email&utm_source=govdelivery

and please remember to report sick, dead or injured swans to the WDFW
hotline at:
360-466-0515

If in north King or south Snohomish counties you can contact me directly as
I am permitted by WDFW to pick these birds up. 206-713-3684

Martha Jordan
Everett, WA