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Fungi that have evolved a mostly singlecelled lifestyle and reproduce asexually by producing buds or occasionally by ssion (in the same way that bacteria divide). Yeasts grow well in liquid environments, especially nutritionally rich ones, and some can grow anaerobically using a fermentative metabolism. Some yeasts can adopt a lamentous, mold-like form, just as some molds can grow in a yeast-like form. (See fungus.)

Signs & symptoms Fever, abdominal pain, diarrhea

Duration of illness 1-4 weeks

Y Dairy, raw pork and meat

Laboratory testing Examination of sputum; lymph node biopsy and stool test

Treatment Antibiotics such as aminoglycosides, doxycycline, trimethoprimsulfamethoxazole, and §uoroquinolones