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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): Christine Herrmann, PhD
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Introduction to Viruses

What Are Viruses?

How Do Viruses Differ From Other Organisms?

How Were Viruses First Discovered? 1

How Were Viruses First Discovered? 2

How Are Viruses Studied?

What are Viruses Made Of?

How Are Viruses Classified?

What Organisms and Host Cells Do Viruses Infect?

How Do Viruses Reproduce?

The Lytic Reproductive Cycle of Bacteriophages

The Lysogenic Reproductive Cycle of Bacteriophages

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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.