http://www.cfsan.fda.gov/~mow/intro.html
Center for Food Safety and Applied Nutrition, U.S. Food and Drug Administration
The Bad Bug Book is a comprehensive reference site for the full range of food borne pathogens including pathogenic bacteria such as salmonella, campylobacter, and vibrio; the entero-virulent escherichia coli group (e-coli); parasitic protozoa and worms including giardia, cryptosporidium, and entamoeba; viruses; natural toxins including ciguatera, shellfish toxins such as scombroid, mushroom toxins, and aflatoxins.