On September 7, 2000, the CDC was notified by Idaho Department of Health about a
ID: 3120344 • Letter: O
Question
On September 7, 2000, the CDC was notified by Idaho Department of Health about a case of acute febrile illness in a 35-year p;d man, characterized by acute onset of high fever, chills, headache, and myalgias. The patient had participated in the EcoChallenge Sabah 2000 Expedition Race, which took place between August 20 amd September 3, 2000 and involved jungle trekking, open water swimming river and ocean paddling. 76 teams of 4 people each, hailing from 26 different countries participated in the event. As of September 10, 9 other EcoChallenge participants with acute febrile illness had been identified.
(a) compute the attack rate of this outbreak.
Explanation / Answer
76 teams of 4 people each, hailing from 26 different countries participated in the event.
As of September 10, 9 other EcoChallenge participants with acute febrile illness had been identified.
the total number of people participated = 76*4 = 304;
total number of people who got illness = 10;
attack rate of this outbreak = (1+9 ) / 76*4 = 10 / 304 = 5/152;
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