Kingdom
Viruses (Viruses)
Invertebrate iridescent virus 31. Photo: (c) James Bailey, some rights reserved (CC BY-NC)
A virus is a submicroscopic infectious agent that replicates only inside the living cells of an organism. Viruses 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, more than 6,000 virus species have been described in detail of the millions of types of viruses
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Humboldt Life
- Kingdom: Viruses (Viruses)
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