An unusual increase in a disease should be investigated. Epidemiologic

An unusual increase in a disease should be investigated. Epidemiologic clues that may signal a bioterrorism attack include

1. A large number of cases of the flu
2. A case of cholera following a trip to India by a local politician
3. Dengue fever in a group of students who just returned from a mission trip
4. Unusual illness in a population

ESSAYBID ANSWER

ANS: 4
Unusual illness in a population should trigger an investigation.