At this point, all the experts I had discussions with found the evidence conclusive.

Mainly:

• Association between movements and outbreaks

• Sustained outbreaks in locations without obvious contact with poultry farms

• Matching sequencing

I would propose to resolve YES early unless someone has an objection.
I will let this sit for a week before resolving. And I'm also OK re-opnening it if folks feel this is unresolved. Sorry for the kind of vague question.

Opinion: As livestock move around the country, so does H5N1. The U.S. needs real-time tracking of livestock movements

FDA Update (May 1st)

Preprint: Emergence and interstate spread of highly pathogenic avian influenza A(H5N1) in dairy cattle

H5N1 bird flu was circulating in dairy cows for four months before it was detected, USDA scientists say - CNN 05/02/2024

Worobey says the study means H5N1 is “now seemingly well-entrenched in the dairy cattle population in the country” and might be something we have to deal with for years to come.

https://twitter.com/MichaelWorobey/status/1782756133402509587