Objectives: Ch. 11 Understand the difference between infection and disease Understand the nature of symbiosis humans enjoy with microorganisms and the.

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Objectives: Ch. 11 Understand the difference between infection and disease Understand the nature of symbiosis humans enjoy with microorganisms and the benefits Describe how pathogenicity, virulence, and infectious dose influence infectious disease Describe portals of entry and exit for microorganisms Define patterns and stages of infectious diseases Describe the reservoirs and mechanisms of transmission of infectious diseases Understand epidemiologic approaches, patterns, data, and terms Describe basic microbial pathogenic mechanisms (virulence factors)