Which of the following is a characteristic of a point source epidemic?
.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
Herd immunity regulates spread of cases
Person to person transmission is seen
Secondary waves of cases is always seen
All cases develop within one incubation period
Epidemiology