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What is a Virus?

Heather C. HudakSeries: Understanding Viruses
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Pages
24
Year
2021
Language
English
Publisher
Lightbox Learning Inc.

About

A virus is a type of germ so small that it can only be seen with a microscope. Viruses were discovered in the late 1880s. Discover more in What Is a Virus?, part of the Understanding Viruses series.

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    Heather C. Hudakauthor