Human immunodeficiency virus/ acquired immunodeficiency syndrome (HIV/ AIDS) is a disease that can be eliminated because it is propagated by person- to- person contact and there are no known animal reservoirs. Do you agree or disagree with this statement? Explain your answer. Design a program for eliminating HIV/ AIDS in a developed country and in a developing country. How would these programs differ? What factors would work against the success of your program, both in terms of human behavior and in terms of HIV/ AIDS disease progression? Why are the numbers of HIV/ AIDS patients continuing to grow, especially in developing countries? HIV/ AIDS incidence ( new cases) in developed countries has been virtually unchanged in this century ( Figure 28.14). The numbers of individuals living with HIV/ AIDS, however, is increasing. Explain this contradiction.
Answer to relevant QuestionsH5N1 avian influenza has high potential for causing an influenza pandemic under certain circumstances. Discuss conditions in which avian influenza may spread in humans as an epidemic. If such a human– avian strain were to ...For the sexually transmitted infections of chlamydia, herpes, and human papillomavirus, describe the organism that causes each. In each case, is treatment possible, and if so, is it an effective cure? Why or why not? Why are colds such common respiratory diseases and why are vaccines not used to prevent colds? As the director of your dormitory’s public health advisory group, you are charged to present information on chlamydia, herpes, trichomoniasis (see Chapter 32), and human papillomavirus infection, all STIs. Besides this ...Discuss the major mechanism of pathogenesis for tetanus and define measures for prevention and treatment. Why is it possible that a traumatic puncture wound could end up causing both tetanus and gas gangrene?
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