VirusTotal
ウェブVirusTotal is a free online service that scans files and URLs for malware, viruses, and other threats.
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
ウイルス - Wikipedia
ウェブウイルス （ 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 からなる。. ウイルスは1930 ...
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17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 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...
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.
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.
Structure and features of viruses | Britannica
ウェブvirus, Microscopic, simple infectious agent that can multiply only in living cells of animals, plants, or bacteria. Viruses are much smaller than bacteria and consist of a single- or double-stranded nucleic acid (DNA or RNA ) surrounded by a protein shell called a capsid; some viruses also have an outer envelope composed of lipid s and …
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