African dwarf frog, Hymenochirus boettgeri.


African dwarf frog, Hymenochirus boettgeri, carrier of human Salmonella, serotype typhimurium. The CDC is collaborating with public health officials in many states to investigate a multi-state outbreak of human Salmonella, serotype typhimurium infections, due to contact with water frogs including African dwarf frogs. Amphibians such as frogs and reptiles such as turtles, are recognized as a source of human Salmonella infections. Most persons infected with Salmonella develop diarrhea, fever, and abdominal cramps 12 to 72 hours after infection. The illness usually lasts from 4 to 7 days. Although most people recover without treatment, severe infections may occur. Infants, elderly persons, and those with weakened immune systems are more likely than others to develop severe illness. When severe infection occurs, Salmonella 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.


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