Distinguish between acute and chronic, mortality and morbidity, prevalence and incidence, and epidemic and pandemic, as these terms relate to infectious disease.
Answer to relevant QuestionsReview the current cholera pandemic. Where and when did the pandemic start? Describe the major medical and public health measures developed in the twentieth century that were instrumental in controlling the spread of infectious diseases in developed countries. Why do gram-positive bacteria cause respiratory diseases more frequently than gram-negative bacteria? Describe the process of infection by Mycobacterium tuberculosis. Does infection always lead to active tuberculosis? Why or why not? How is exposure to M. tuberculosis detected in humans? Contrast an HIV infection with an infection by any other viral pathogen considered in this chapter, regardless of mode of transmission. Why do untreated cases of HIV infection inevitably lead to death whereas untreated cases ...
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