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Signs & Symptoms

Multistate Outbreak of Human Salmonella Typhimurium Infections Linked to Live Poultry in Backyard Flocks (Final Update)

Posted November 1, 2013 1:30 PM ET

This outbreak appears to be over. However, live poultry, including those kept in backyard flocks, are an important cause of human Salmonella infections in the United States. More information about Salmonella from live poultry and the steps people can take to reduce their risk of infection is available.

Most persons infected with Salmonella bacteria develop diarrhea, fever, and abdominal cramps 12 to 72 hours after infection. The illness usually lasts 4 to 7 days, and most persons recover without treatment. However, in some persons, the diarrhea may be so severe that the patient needs to be hospitalized. Salmonella infection may spread from the intestines to the bloodstream and then to other body sites and can cause death unless the person is treated promptly with antibiotics. Children younger than 5 years, older adults, and people with weakened immune systems are more likely to have a severe illness from Salmonella infection. More information about Salmonella, and steps people can take to reduce their risk of infection with Salmonella in general, can be found on the CDC Salmonella Web Page.

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