Respiratory infection in pig breeders has been reported, but most human cases of Pasteurella multocida are linked to dog or cat bites. Salmonella choleraesuis infections in humans are extremely rare and can cause death. It is a food-borne disease. Children, the elderly, and immunocompromised people are most susceptible. Streptococcus suis has not been reported to cause disease humans in U.S. Swine flu has infected humans on rare occasions since the 1918 human influenza outbreak.
Most infections are mild, and death is rare.
Toxoplasma is a parasite. Consumption of undercooked pork or un-washed vegetables is a source of human infection. Disease is mild in healthy individuals. Trichinosis is a food-borne disease. Most human infections are traced to eating wild boar meat.