Supplemental Quiz

1. Describe the role of the human "normal" flora. What benefit does it provide? What cost to the host is incurred?

2. Use the following equation to describe the infection caused by Neisseria gonorrheae.

Disease =

Infectious dose X virulence
Host resistance

3. Identify the natural history of disease for Lyme disease, syphilis and "strep throat". Be sure to indicate etiologic agent, reservoir, potential point source, virulence factors, disease mechanism, expected community epidemiology and exit portal.

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