- Virus - Wikipedia
Virus A virus is a submicroscopic infectious agent that replicates only inside the living cells of an organism [1]
- Viruses: Definition, Types, Characteristics Facts
A virus is a small piece of genetic information in a “carrying case” — a protective coating called a capsid Viruses aren’t made up of cells, so they don’t have all the equipment that cells do to make more copies of themselves
- Virus | Definition, Structure, Facts | Britannica
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: What They Are, Symptoms, Treatment, Prevention
This article will cover what viruses are, the different types of viruses, how viruses work, some common virus examples, virus symptoms, treatment, and prevention
- Virus - National Human Genome Research Institute
A virus is an infectious microbe consisting of a segment of nucleic acid (either DNA or RNA) surrounded by a protein coat A virus cannot replicate alone; instead, it must infect cells and use components of the host cell to make copies of itself
- What Is a Virus? Definition, Structure, and How Viruses Work
When a virus enters the body, the innate immune system reacts first This non-specific defense includes barriers like skin, as well as cells that engulf and destroy invaders
- Viruses: What are they, and what do they do? - Medical News Today
SARS-CoV-2, the virus that causes the disease COVID-19, is a coronavirus Coronaviruses are a large family of viruses and include viruses that cause the common cold
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