Is Nurse Mary performing descriptive epidemiology or analytic epidemiology?
Mary M. is the nurse epidemiologist for the Warren County Health Department. A local church contacted Nurse Mary when several church members became sick after the annual church picnic. Of 200 people who attended the picnic, 100 became ill with diarrhea, nausea, or vomiting. Ten people required emergency medical treatment or hospitalization. Incubation periods ranged from 1.5 hours to 30 hours, with a mean of 6 hours and a median of 3.5 hours. Duration of illness ranged from one to 80 hours, with a mean of 30 hours and a median of 15 hours. The annual church picnic was a potluck lunch buffet. The menu included macaroni casserole (brought by the Joneses), turkey with gravy and stuffing (brought by the Smiths), potato salad (brought by the Changs), green bean casserole (brought by the Champs), chili (brought by the Turners), homemade bread (brought by Granny Ivy), chocolate cake (brought by the Bushes), and cookies (brought by the Beckmans). Nurse Mary interviewed the church members who were ill and found that three food items were significantly associated with illness: turkey, gravy, and stuffing. Nurse Mary interviewed the Smiths, who had brought the turkey, gravy, and stuffing to the picnic. A review of food handling procedures revealed that the turkey had cooled for 4 hours at room temperature after cooking—a time and temperature sufficient for bacterial growth and toxin production. Furthermore, the same utensils were used for the turkey and for other foods before and after cooking. Nurse Mary trained the Smiths in proper food-handling practices, emphasizing hand washing, proper cooling methods, and better equipment and utensil sanitation. Nurse Mary also offered a similar class to the church congregation. Questions 1. Identify the agent, host, and environment in this case study? 2. Is Nurse Mary performing descriptive epidemiology or analytic epidemiology? 3. Which level of prevention is Nurse Mary exemplifying? Primary, Secondary, Tertiary, Combination of the above, or None of the above. Please pick one for question 3. I was unable to cut and paste properly. Bold words are the answer choices. Thank You
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