Discuss at least three common properties of the disease agents and review the disease process for spotted fever rickettsiosis, typhus,and ehrlichiosis. Why is ehrlichiosis emerging as an important rickettsial disease? Compare its emergence to that of Lyme disease.
Answer to relevant QuestionsHow would you convince a friend that microorganisms are much more than just agents of disease? Devise a plan to prevent the spread of West Nile virus to humans in your community. Identify the relative costs involved in such a plan, both at the individual level and at the community level. Find out if a mosquito ...Define the term fecal coliform and explain the coliform test. Why is the coliform test used to assess the purity of drinking water? What causes the symptoms of staphylococcal food poisoning? Why are cases of staph food poisoning often linked to a food preparer with an open hand wound? In terms of public health, what is a common problem that unites many of the visceral parasitic infections covered in this chapter? How could this problem be attacked? Why are these diseases rare in developed countries?
Post your question