Salmonellosis is an infection caused by
bacteria. Illness usually develops after an incubation period of 6 to 48 hours, with symptoms most commonly including diarrhea, fever and abdominal cramps. Persons with
gastrointestinal disease generally recover in four to seven days; antibiotic treatment is not routinely recommended. Antibiotics are recommended for persons with severe illness, infections involving non-intestinal sites (such as bacteremia or meningitis), or in persons at high risk of medical complications (including infants younger than 3 months and persons with immunosuppressive illnesses or therapies).
In 2017, Orange County had 366 confirmed cases of salmonellosis. Cases ranged in age from 3 months to 92 years. Fifty-two percent were female, 96 (27%) required hospitalization. From 2008 to 2017, the rate of salmonellosis in Orange County has fluctuated between 9.4 and 15.5 cases per 100,000 residents with no clear trend over time (See