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Cryptosporidia: Cryptosporidium species have a worldwide distribution and can be found in many animal species including cats. Cryptosporidiosis is caused by protozoan parasites that live in the intestines of mammals. Cryptosporidiosis is transmitted by the fecal-oral route and can cause diarrhea in humans. Usually the diarrhea is self-limiting but in immunocompromised individuals the disease can have a prolonged course.
Prevention: Appropriate personal-hygiene practices which include washing hands after contact with animals or their waste should prevent spread of this organism.
Salmonellosis: Along with a variety of other species, Salmonella, and other enteric bacteria are capable of causing disease in humans. Salmonellae are transmitted by the fecal-oral route. Infection produces an acute enterocolitis and fever with possible secondary complications such as septicemia.
Prevention: Use of protective clothing, personal hygiene which include hand washing after contact with animals or their waste, and sanitation measures prevent the transmission of the disease.
Risk assessment- UC Davis
Occupational Health and Safety in the Care and Use of Research Animals, National Research Council; National Academy Press, 1997.
Center for Disease Control- Division of Bacterial and Mycotic Diseases