| multidrug-resistant salmonella typhimurium in four animal facilities. | in 1999 and 2000, 3 state health departments reported 4 outbreaks of gastrointestinal illness due to salmonella enterica serotype typhimurium in employees, clients, and client animals from 3 companion animal veterinary clinics and 1 animal shelter. more than 45 persons and companion animals became ill. four independent investigations resulted in the testing of 19 human samples and >200 animal samples; 18 persons and 36 animals were culture-positive for s. typhimurium. one outbreak was due to mul ... | 2005 | 16102313 |