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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 Influenza: H5N1

Cloning Involves Making Identical Copies

Recombinant DNA Technology

Stored Energy in Foods

Infectious Disease Agents

Example of an Infectious Disease - AIDS

Where Do Viruses Fit?

What are Viruses Made Of?

How Do Viruses Reproduce?

The Lytic Reproductive Cycle of Bacteriophages

The Lysogenic Reproductive Cycle of Bacteriophages

The Reproductive Cycle of a Retrovirus—HIV

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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.