1. Fill in the blanks regarding the types of reservoirs. 2. How are incubating carriers different from asymptomatic carriers? 3. What type of carrier was Typhoid Mary? 4. Describe the difference between biological and mechanical vectors. 5. Name three common zoonoses. 6. Of all the potential reservoirs, living and nonliving, which has the greatest potential to spread infection to all age groups in the humanpopulation?