Virus

Virus

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  • Flu Virus 101 | National Geographic

    YouTube 03:26
  • Martin Garrix & MOTi - Virus (How About Now) [Original Mix]

    YouTube 03:15
  • What is a Virus? | Breakthrough

    YouTube 01:41
  • Cell vs. virus: A battle for health - Shannon Stiles

    YouTube 03:59
  • KLOUD - VIRUS

    YouTube 03:27

A virus is a submicroscopic infectious agent that replicates only inside the living cells of an organism. Viruses can infect all types of life forms, from animals and plants to microorganisms, including bacteria and archaea. Since Dmitri Ivanovsky's 1892 article describing a non-bacterial pathogen infecting tobacco plants, and the discovery of the tobacco mosaic virus by Martinus Beijerinck in 1898, about 5,000 virus species have been described in detail, of the millions of types of viruses in the environment. Viruses are found in almost every ecosystem on Earth and are the most numerous type of biological entity. The study of viruses is known as virology, a subspeciality of microbiology.

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