Please Select the False Statement

Please select the False statement.

A) A common source epidemic occurs when all of the cases result from exposure to a single source of the infectious agent.
B) A case-control study occurs when all of the cases result from exposure to a single source of the infectious agent.
C) The natural habitat of a pathogen is called the reservoir of infection.
D) Herd immunity can never be overcome by a pathogen.
E) Emerging infectious diseases are those that are novel or have recently increased in incidence.

Correct Answer:

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