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Introduction to Viruses

Introduction to Viruses

Viruses are submicroscopic particles that can be seen only with a powerful electron microscope. They are not cells, but consist of genetic material, enclosed in a protective layer of protein. Learn more about the nature of viruses, and how scientists are working to understand and combat them.

Companion slide set to the video, "Introduction to Viruses."

Author(s): Deanne Erdmann, MS, and Nancy Moreno, PhD
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Avian Influenzas: Ability to Change (part 1)

Hardy-Weinberg Principle

Deviations from the Hardy-Weinberg Equilibrium

Mutation

Flu: The virus

Systematics: Evolutionary Classification of Organisms

Transmission of Infectious Diseases

Example of an Infectious Disease - Flu

Example of an Infectious Disease - AIDS

Emerging Infectious Diseases

How Are Viruses Studied?

What Organisms and Host Cells Do Viruses Infect?

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Funded by the following grant(s)

Video and transcript courtesy of Wah Chiu, PhD, National Center for Macromolecular Imaging at Baylor College of Medicine. Funding for the video provided by NCMI, NIH.