• What are the viruses

    The number of existing viruses is enormous, amounting to millions, they are the most numerous biological form on the planet. To study a separate direction -Viruses have not yet been fully studied by man, constant research is being conducted in this area, new facts and details are constantly being discovered.


    The size and structure of the virus are different. The average size of the body is about one hundredth of the size of the bacteria, and under a light microscope it is almost impossible to distinguish between them.
    It is considered that viruses are divided into DNA-containing and RNA-containing. In the Baltimore Classification, it is the presence of one or another genetic material at the base that is decisive.
    To identify viruses, a special classification has been developed, highlighting their main properties, but maintaining uniformity. The species in this classification has the smallest taxonomic value; it is preceded by a detachment, family, subfamily, and genus.There are 2,284 species of the virus in the classification, but many organisms have not yet been classified.
    There is also another classification - the previously mentioned - according to Baltimore, currently the two classifications are combined. Early classification identified groups of viruses, all of them were seven, they were determined by the presence of one or another nucleic acid base.

    Virus structure

    There are four main types of structure of viruses:
    - spiral
    - oblong
    - complex,
    - icosahedral (resembling the shape of a ball). The denser the structure of the body, the more resistant it is to external influences: air, oxidation, temperature, etc.


    Viruses spread in a variety of ways. In plants, for example, insects serve as a carrier; viruses also spread among animals in some insects. Many are spread by airborne droplets, an example is the influenza virus. Other species are transmitted sexually or through blood poisoning, the most famous example being HIV. Viruses are not divided into species, as such, due to the large number of species.The most well-known and frequently occurring diseases caused by viruses are herpes, influenza, polio, measles and warts.

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