American Foulbrood: A Personal History -John Berry

American Foulbrood: A Personal History @John B
a very good read. highly recommended. i'll quote some some good takeaways from it.

I never take anything from a hive without checking for disease.

you should all learn to be experts at what healthy brood looks like.

Ultimately I believe the secret to eliminating AFB in your own outfit is to find it before you spread it.
To do that you have to find it and that requires looking for it, recognizing it and surprisingly, acknowledging it.