He just needs to know that the recovered birds are still carriers. That's one thing that many do not realize. gumpsgirl had a thread way back where she went through a process of ridding her flock of Coryza. All carriers had to be culled as they showed symptoms and it was a year long process...
The problem is that your flock members are now carriers of Coryza, if you are sure that's what they have. I hate this for you! It's so awful and I can only imagine how you must be feeling. Until you have wiped out Coryza carriers and the disease from your flock, I don't believe you can ethically...