In this module, you will determine the differences between infectious and noninfectious diseases, explore the different kinds of organisms that cause disease, distinguish among outbreaks, epidemics, pandemics, and emerging and re-emerging diseases, and compare Ebola virus and measles virus, the infectious agents involved in recent outbreaks of these diseases.

Click an activity link below to proceed.

• Activity 1: Let's read about the microbes that live in our world and explore a variety of disease, considering which ones are infectious and which ones are not.
• Activity 2: Let's read about the microbes that cause disease and explore the history of disease outbreaks.
• Activity 3: Let's read about three diseases that have had recent outbreaks—SARS, measles, and COVID-19 and discuss what characteristics make something alive.
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