Chapter 19 ResourcesChapter 2 Handout. Chapter 3 -Water-. Chapter 3 Outline. Water Chapter 4 chguided-reading. Chapter 4 -Organic Chemistry-. Chapter 4 Outline.
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Anthrax A page of information from various sources about this bacterium and how it infects human cells. Smallpox An Issues Feature for Chapter 19 describes the pros and cons of mass vaccinations against this virus. NEW: Bird Flu? Flu Vaccine? How does the flu keep us guessing every year?