This illness is characterized by fever and, in the most severe cases, shock and hemorrhage. The author covers the major efforts towards onchocerciasis control in endemic countries throughout the world. Consumer Oriented Site. A medical professional-oriented report. Rocky Mountain Spotted Fever is the most prevalent rickettsial disease in the United States and is a growing infectious disease problem.
Site contains a description, causes, diagnosis, treatment, and references.
Office of Public Health and Science provides scientific support on public health and science issues of concern to USDA's Food Safety and Inspection. The South Dakota Department of Health provides this useful fact sheet concerning salmonella infection. Site includes classification, clinical features, public health significance and occurrence, diagnosis, mode of transmission, incubation period, period of communicability, and more. Shigella is found in the gastrointestinal tract of man only. It is very contagious and it causes a food-borne infection so the live bacteria must be consumed to cause illness.