Here are some links that I found useful. Some of them go much more in depth into the VHS problem, while some of them link to other organisms on that relate to VHS.

Viral Hemorrhagic Septicemia links:

A fairly recent briefing paper on the VHS situation. (PDF File)

National Center for Research on Aquatic Invasive Species

University of Wisconsin's Sea Grant Institute

A VHS profile from the USDA with many other links on the site to study

Related webpages:

Salmonella enteritidis

Anisakis Simplex

Epstein-Barr Virus

Echinococcus Granululosis

Bacillus anthracis

Bordetella pertussis