Which of the following is a characteristic of a point source epidemic?
Correct Answer: All cases develop within one incubation period
Description: .point source epidemics ,here the period of exposure is only brief,and simultaneous ,the resultant cases will develop within one incubation period of the disease.the curve has usually one peak.the epidemic curve rises and falls rapidly, with no secondary waves.and it tends to be explosive. ref:park's textbook,ed 22,pg no 62
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