Students sometimes react with horror and distress when they discover that cats and dogs carry parasites to humans. Give an example of a disease for each of these animals that can be spread to humans, and explain how to avoid these diseases and still enjoy your pet.
Answer to relevant Questionsa. Why is it necessary for most parasites to leave their host to complete the life cycle? b. What are some ways to prevent completion of the life cycle? c. What is the benefit to parasites of having numerous hosts? d. What ...Give some of the reasons that there are no really effective human vaccines so far for parasitic infections. a. Describe some ways that DNA viruses can become oncogenic. b. Why is isolating a virus from a tumor not indicative of its role in disease? c. What important indicators could verify that various cancers are caused by a ...a. Explain the relationship between herd immunity and the development of influenzal pandemics. b. Why will herd immunity be lacking if antigenic shift or drift occurs? a. Explain why a direct antigen test for HIV infection would be preferable to a serological test for antibodies. b. What factors have prevented the development of an effective AIDS vaccine? c. Give a plausible explanation ...
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