Lesson Plan Chapter 5—Disease and Disease-Producing …

Excessive intake of . substances (Chapters 19 and 20) ... common cold. Pandemic—global appearance of a disease, in a country, continent, or the whole world. 91. 17. Figure. Fig. 5-2: Influenza pandemic, p. 92; PPt 17. ... Take precautions for infections spread by air. Handwashing—single most important measure in any setting. ................
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