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Unit 1

Why should we care about infectious disease?

Seasonal flu. H1N1. Smallpox. What makes a disease infectious? Why do some people get sick and not others? Could an epidemic happen here? These questions and more are explored in Unit 1.

Lesson 1: What is an infectious disease and why do we care? (pdf)

Lesson 2: How infectious disease has molded history – including ours (pdf)

Lesson 3: Bacterial structures (pdf)

Lesson 4: Viral sizes and structures (pdf)

Lesson 5: So why aren’t we always sick? Our body’s defenses (pdf)

Do Online: Unit 1 Multimedia

Infectious Disease Blog: Unit 1 Further Reading