ウイルス - Wikipedia
VirusTotal
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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
WEBApr 12, 2024 · Learn about the history, classification, and characteristics of viruses, the infectious agents of small size and simple composition that can multiply only in living cells. Explore how viruses cause disease, how they are studied, and how they may have ecological significance.
Viruses: Definition, Types, Characteristics & Facts - Cleveland ...