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    Home > Biochemistry News > Biotechnology News > Russian expert: Coronavirus is not a virus that can be embedded in the human genome

    Russian expert: Coronavirus is not a virus that can be embedded in the human genome

    • Last Update: 2021-07-30
    • Source: Internet
    • Author: User
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    Recently, Alexander Semenov, acting director of the Yekaterinburg branch of the "Vector" National Science Center for Virology and Biotechnology, affiliated to the Russian Consumer Rights Protection and Public Welfare Supervision Agency, said that unlike HIV or hepatitis B virus, coronaviruses are not considered safe.
    A virus embedded in the human genome

    .
    Coronavirus is constantly mutating, which is the law of natural selection

    .

    Semenov said that the new crown virus belongs to the coronavirus family and does not have the necessary structure to integrate with the human genome and artificially interfere with it
    .
    There are indeed viruses that can be inserted into the human genome in nature, such as HIV, hepatitis B virus, and various tumor viruses that scientists have already carried out research

    .
    But the coronavirus family cannot be embedded in the genome at all.
    They have no genes encoding proteins to cut human DNA and insert viruses into chromosomes

    .

    Semenov believes that the coronavirus is constantly mutating, and the mutation process is developing in the direction of increasing infectivity.
    Each mutated strain is more infectious and aggressive than the previous ones.
    This is the law of natural selection

    .
    For example, the delta mutant strain that caused the third wave of the epidemic is obviously more infectious than the original new coronavirus strain, the alpha mutant strain first discovered in the UK, and the beta mutant strain first discovered in South Africa, and it has spread to the world.
    Locally, it replaced other mutant strains of the new coronavirus

    .

    Many experts in the world also believe that the characteristics of Delta are significantly different from other mutant strains.
    From the point of infection, it is developing in a "worse" direction

    .
    Semenov said that due to some mutations in the Delta virus genome, it is more suitable for penetrating human cells, multiplying faster, attacking more tissues, including lung tissue, and being infectious to young people

    .
    Patients infected by Delta virus have symptoms that are more like acute respiratory virus infections, runny nose, sore throat, coughing and sneezing

    .
    Because it penetrates the epithelial cells of the larynx faster into the lungs, the clinical development of pneumonia is faster

    .

    The incubation period of the new coronavirus is 7-11 days, while the delta mutant virus only needs 3-5 days
    .
    All these symptoms also indicate that the new coronavirus comes from nature like the flu

    .

    Semenov is a well-known Russian virologist.
    He used to be the deputy director of the St.
    Petersburg Pasteur Institute of Epidemiology and Microbiology.
    This year he was transferred to the deputy director of the Yekaterinburg branch of the National Science Center for "Vector" Virology and Biotechnology

    .
    Since the start of the global new crown epidemic, he has been introducing the situation and related issues of the new crown virus from a scientific point of view

    .

    The Russian National Science Center for "Vector" Virology and Biotechnology is a world-renowned virology research institution.
    It was the first to develop a new coronavirus test agent in Russia in March 2020, and in November it developed Russia’s second new coronavirus vaccine EpiVacCorona, the vaccine It is a synthetic vaccine that has been used for large-scale vaccination in Russia

    .
    The center is currently developing a nasal spray new crown vaccine

    .
    (Reporter Dong Yingbi)

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