STUDY GUIDE: Please read each question carefully and completely. Answers must be in paragraph form.
1.Define emerging and reemerging infectious diseases.What three factors have contributed to the development of emerging infectious diseases.Give one example of an emerging disease and another example of a reemerging disease.
2.Give examples of three major zoonotic diseases and compare their modes of transmission. Using your own ideas, explain how transmission of these zoonotic diseases might be prevented.
3.Describe how vectors play a role in the transmission of disease.
4.In what respects is leishmaniasis a vector-borne disease? Name some of the countries in the world where leishmaniasis is endemic and state why the disease is of particular concern to the United States military personnel.
5. Summarize the life cycle of malaria, describing the insect and human phases of the disease. Discuss the global impact of malaria.
6.List some of the ways that individuals can avoid being infected with West Nile virus. Describe methods that environmental health officials might use to control the condition.
7.Pick any disease agent of your choice and provide the following information: a) causative agent; b) reservoir; c) portal of exit; d) mode of transmission; e) portal of entry; f) susceptible host; g) symptoms; h) potential hazards to human population; i) methods of control; and j) geographic distribution.
Answer 1) EMERGING INFECTIOUS DISEASES ARE INFECTIONS WHICH RECENTLY OCCURRED IN A POPULATION OR IN A GEOGRAPHIC RANGE IS SUDDENLY INCREASES AND THREATENS TO EXCESS IN NEAR FUTURE. *REEMERGING INFECTIOUS DISEASES ARE INFECTIONS WHICH REAPPEARS AFTER SOME DURATION. *THE FACTORS HAVE CONTRIBUTED TO THE DEVELOPMENT OF EMERGING INFECTIOUS DISEASES ARE;ECOLOGICAL CHANGES AND AGRICULTURAL DEVELOPMENT, BREAK DOWN OF PUBLIC HEALTH MEASURES, TRAVELLING AND COMMERCE *SARS IS THE ONE EXAMPLE FOR EMERGING DISEASE AND MALARIA IS THE ONE EXAMPLE FOR REEMERGING DISEASE.
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