Virus - Wikipedia
ウェブVaridnaviria. A virus is a submicroscopic infectious agent that replicates only inside the living cells of an organism. [1] Viruses infect all life forms, from animals and plants to microorganisms, including bacteria and archaea.
ウイルス - Wikipedia
ウェブバリドナウイルス域 Varidnaviria. ウイルス （ 英語: virus 〔ヴァイラス [3] 〕, ラテン語: virus 〔ウィールス [3] 〕, 中国語: 病毒 ）は、他 生物 の 細胞 を利用して自己を 複製 させる、極微小な 感染性の構造体 で、 タンパク質 の殻とその内部に入っている 核酸 ...
VirusTotal
ウェブVirusTotal is a free online service that scans files and URLs for malware, viruses, and other threats.
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
Viruses: Definition, Types, Characteristics & Facts - Cleveland ...
ウェブ2023年3月29日 · 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:
Coronavirus - World Health Organization (WHO)
ウェブ2024年5月29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.
Viruses: What They Are, Symptoms, Treatment, Prevention ...
ウェブ2023年2月17日 · Not all viruses make people sick. Sometimes, your immune system can fight them off without you even knowing. This article will cover what viruses are, the different types of viruses, how viruses work, some common virus examples, virus symptoms, treatment, and prevention. Yuichiro Chino / Getty Images.
Virus - Definition, Structure, Classification, Examples ...
ウェブ2018年8月25日 · A virus is a chain of nucleic acids (DNA or RNA) which lives in a host cell, uses parts of the cellular machinery to reproduce, and releases the replicated nucleic acid chains to infect more cells. A virus is often housed in a protein
What Is a Virus? : ScienceAlert
ウェブ2020年3月11日 · By ScienceAlert Staff. (Roger Harris/Science Photo Library/Getty Images) A virus is genetic material contained within an organic particle that invades living cells and uses their host's metabolic processes to produce a new generation of viral particles. The way they do this varies.
Intro to viruses (article) | Viruses | Khan Academy
ウェブA virus is a tiny, infectious particle that can reproduce only by infecting a host cell. Viruses "commandeer" the host cell and use its resources to make more viruses, basically reprogramming it to become a virus factory. Because they can't reproduce by themselves (without a host), viruses are not considered living.
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