Mayo Clinic
Mayo Clinic: Infectious Diesease: Trichinosis
Everything that you need to know about trichinosis and the worm that causes it will probably be available on this comprehensive site. Everything from the cause to prevention and lots of other topics are all presented.
Centers for Disease Control and Prevention
Centers for Disease Control: Fact Sheet: Trichinosis
A fact sheet about trichinosis from the CDC. Includes information on what it is, symptoms, and how it spreads.