Final answer:
Swine flu is an example of a Zoonosis, which refers to diseases transmissible from animals to humans, including those spread by vectors such as mosquitoes and ticks, like rabies and yellow fever. Option a.
Step-by-step explanation:
An example of a Zoonosis is Swine flu. Zoonotic diseases are those that can be transmitted from animals to humans. The term can apply to diseases carried by both vertebrate and invertebrate animals. A well-known zoonotic viral disease is rabies, typically spread through bites and contact with infected saliva. Similarly, yellow fever is transmitted by mosquito bites and is also considered a zoonotic disease. Other common zoonotic diseases known to require arthropod vectors for transmission include malaria, dengue fever, and Rocky Mountain spotted fever.