Diseases Can Re-Emerge for a Variety of Reasons

Multiple Choice

Diseases can re-emerge for a variety of reasons. Evaluate the following statements and choose the one that does not provide evidence for a re-emergence.

A) Pathogens evolve over time.
B) Climate change influences arthropods to expand their geographical areas.
C) Humans have avoided animal habitats.
D) Agents of bioterrorism have been introduced into a population.