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Virus - Wikipedia
英語「virus」の意味・使い方・読み方 | Weblio英和辞書
ウイルス - Wikipedia
Virus | Definition, Structure, & Facts | Britannica
WebApr 12, 2024 · Learn about the history, classification, and characteristics of viruses, the smallest infectious agents that can replicate only in living cells. Explore how viruses cause diseases, how they are studied, and how they have evolved.
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Viruses are microscopic organisms that exist almost everywhere on earth. They can infect animals, plants, fungi, and even bacteria. Sometimes a virus can cause a disease so deadly that it is fatal. Other viral infections trigger no noticeable reaction. A virus may also have one effect on one type of organism, but a different effect on another.
www.medicalnewstoday.com/articles/158179A virus is an infectious agent of small size and simple composition that can multiply only in living cells of animals, plants, or bacteria. What are viruses made of?
www.britannica.com/science/virus - People also ask
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Intro to viruses (article) | Viruses | Khan Academy
WebLearn what a virus is, how it infects a cell, and how it differs from bacteria. Explore the structure, diversity, and evolution of viruses with examples and interactive features.
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Viral disease - Wikipedia
Web29 rows · A viral disease (or viral infection) occurs when an organism's body is invaded by pathogenic viruses, and infectious virus particles (virions) attach to and enter susceptible cells. Examples are the common cold, gastroenteritis and