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Read the following article to answer question. CDC the U.S. Food and Drug Admini

ID: 161915 • Letter: R

Question

Read the following article to answer question. CDC the U.S. Food and Drug Administration (FDA), the U.S. Department of Agriculture Food Safety and Inspection Service, and public health officials in several states investigated an outbreak of Shiga toxin -producing _____ infections. Illnesses started on dates ranging from October 6. 2015 to November 3, 2015. III people ranged in age from 5 years to 84, with a median age of 18. Fifty-seven percent of ill people were female. Five (29%) people were hospitalized, and two people developed hemolytic uremic syndrome, a type of kidney failure. No deaths were reported The epidemiologic evidence collected during this investigation suggested that rotisserie chicken salad made and sold in Costco stores was the likely source of this outbreak (cdc.gov) What was the causative organism of this outbreak? Shigella dysenteriae Salmonella typhi E.coli O157:H7 Which of the following is not a characteristics of Shigella species? Causes basically dysentery and bloody diarrhea. Vibrio cholerae related to EIEC ferment lactose invade the mucosal cells of the large intestine. as few as 50-300 organisms can cause disease.

Explanation / Answer

C. E.coli 0157:H7 and Shigella dysenteriae produces Shiga toxin and causes hemolytic uremic syndrome.

C.Shigella generally do not ferment lactose.

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