1. What types of organisms were listed in the article as being able to cause a
pandemic?

A. Viruses and bacteria
B. bacteria and fleas
C. viruses and rats
D. bacteria and rats

2. How often do influenza pandemics
occur?

A. Every 30 to 40 yrs.
B. Every 30 to 50 yrs.
C. Every 20 to 50 yrs.
D. Every 10 to 50 yrs.

3. What is virulence? 4. What two criteria must a disease fit
in order to be considered a pandemic?

A. How deadly a disease is.
B. How far a disease spreads across the globe.
C. How sick an infected person gets.
D. How often a person can catch the same
disease.

4. What two criteria must a disease fit
in order to be considered a pandemic?

A. It can be deadly or not show any symptoms.
B. It must be deadly and kill quickly.
C. It must be global and display disease activity.
D. It must be virulent and be a virus.

5. Which of the following makes HIV
different from other pandemics?

A. A person with HIV can live many years without
symptoms.
B. HIV has killed many people.
C. HIV is caused by a virus.
D. HIV is very virulent.