Person, place, and time characterize the description of an epidemiologic problem. Using knowledge of outbreak investigations, which occurs with propagated outbreaks?

Question

A) Same person or vehicle as the reservoir or means of transmission
B) Infection transmitted from person to person over a short period of time
C) Generating secondary infections with intervals between peaks that approximate the usual incubation period for the infection
D) Generating tertiary infections following exposure to a primary case

Answer 1

Ans: C
Feedback:
A propagated outbreak is one where the infection is transmitted from person to person over a longer period of time than with a common source outbreak, and it can generate secondary infections with intervals between peaks that approximate the usual incubation period for the infection. A common source outbreak is one that has the same origin. Secondary infections are those that occur within the accepted incubation period following exposure to a primary case.