Textbook Notes (367,893)
Canada (161,477)
HLTB21H3 (177)
Chapter 1

Chapter 1

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Department
Health Studies
Course
HLTB21H3
Professor
Caroline Barakat
Semester
Winter

Description
Plagues and peoples Chapter one Notes Parasites: organism that grows, feeds, and is sheltered on or on a different organism and that does not contribute to the survival of its host. Virus: ultimate micro-parasite smaller than bacteria; neither cells not organisms; can only reproduce within their host Macro-parasites: composed of many cells; cycles through transmission stages (eggs and larvae) which pass into the external environment Transmission: movement of a parasite from host to host Incubation Period: interval of time required for developme
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