Virus - Wikipedia
ウェブA virus is a submicroscopic infectious agent that replicates only inside the living cells of an organism. Viruses infect all life forms, from animals and plants to microorganisms, including bacteria and archaea. Viruses are found in
英語「virus」の意味・使い方・読み方 | Weblio英和辞書
ウェブ「virus」の意味・翻訳・日本語 - ウイルス、ウイルス性の病気、かぜ、(道徳・精神上の)害毒、(コンピューター)ウイルス｜Weblio英和・和英辞書
Virus | Definition, Structure, & Facts | Britannica
ウェブ2024年4月12日 · Virus, infectious agent of small size and simple composition that can multiply only in living cells of animals, plants, or bacteria. Viruses possess unique infective properties and thus often cause disease in host organisms. Learn about the history, types, and features of viruses.
Viruses: Definition, Types, Characteristics & Facts - Cleveland ...
ウェブViruses are small germs (pathogens) that can infect you and make you sick. They can infect humans, plants, animals, bacteria and fungi. Each one infects only specific types of hosts. Viral infections in humans can cause no symptoms or make you extremely ill. Types of diseases they can cause include:
Viruses: What are they, and what do they do? - Medical ...
ウェブ2023年4月21日 · Summary. Viruses are microscopic particles that are present in animals, plants, and other living organisms. They can sometimes cause diseases, such as the flu and COVID-19. Viruses are biological...
Introduction to viruses - Wikipedia
ウェブA virus is a tiny infectious agent that reproduces inside the cells of living hosts. When infected, the host cell is forced to rapidly produce thousands of identical copies of the original virus. Unlike most living things, viruses do not have cells that divide; new viruses assemble in the infected host cell.
Coronavirus disease (COVID-19) - World Health Organization ...
ウェブ2024年4月18日 · Coronavirus disease (COVID-19) is an infectious disease caused by the SARS-CoV-2 virus. Most people infected with the virus will experience mild to moderate respiratory illness and recover without requiring special treatment. However, some will become seriously ill and require medical attention.
What are viruses? | Live Science
ウェブ2022年5月13日 · On one hand, viruses contain either DNA or RNA, the nucleic acids found in all living organisms. On the other hand, viruses lack the capacity to independently read and act upon the information ...
Viruses - National Geographic Society
ウェブ2023年10月19日 · noun. pathogenic agent that lives and multiplies in a living cell. Viruses are tiny infectious agents that invade host cells and cause disease. Although they are harmful, viruses also have interesting technological potential.
virus | Learn Science at Scitable - Nature
ウェブA virus is an infectious agent that can only replicate within a host organism. Viruses can infect a variety of living organisms, including bacteria, plants, and animals. Viruses are so small that ...
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