Amazing Virus Live Wallpaper

    Amazing Virus Live Wallpaper icon

    Amazing Virus Live Wallpaper

    by: Puzzle Fun 18 5.8

    5.8 Users



    This is a 3D live wallpaper with a rich collection of virus images. They are beautiful, but most of them are harmful to our health, some even endanger our lives if infected. AIDS virus, Avian Flu virus, Alpha virus, Flu virus, Herpes virus, HIV virus, Influenza virus, Oncolytic virus, Rabies virus, Rhino virus, swine flu virus and Symian virus etc... can be found in this app. Please have fun !!!

    A virus is a small infectious agent that can replicate only inside the living cells of an organism. Viruses can infect all types of organism, from animals and plants to bacteria and archaea.

    Virus particles (known as virions) consist of two or three parts: the genetic material made from either DNA or RNA, long molecules that carry genetic information; a protein coat that protects these genes; and in some cases an envelope of lipids that surrounds the protein coat when they are outside a cell. The shapes of viruses range from simple helical and icosahedral forms to more complex structures. The average virus is about one one-hundredth the size of the average bacterium. Most viruses are too small to be seen directly with an optical microscope.
    The origins of viruses in the evolutionary history of life are unclear: some may have evolved from plasmids – pieces of DNA that can move between cells – while others may have evolved from bacteria. In evolution, viruses are an important means of horizontal gene transfer, which increases genetic diversity.

    Viruses spread in many ways; viruses in plants are often transmitted from plant to plant by insects that feed on plant sap, such as aphids; viruses in animals can be carried by blood-sucking insects. These disease-bearing organisms are known as vectors. Influenza viruses are spread by coughing and sneezing. Norovirus and rotavirus, common causes of viral gastroenteritis, are transmitted by the faecal-oral route and are passed from person to person by contact, entering the body in food or water. HIV is one of several viruses transmitted through sexual contact and by exposure to infected blood. The range of host cells that a virus can infect is called its "host range". This can be narrow or, as when a virus is capable of infecting many species, broad.

    Viral infections in animals provoke an immune response that usually eliminates the infecting virus. Immune responses can also be produced by vaccines, which confer an artificially acquired immunity to the specific viral infection. However, some viruses including those that cause AIDS and viral hepatitis evade these immune responses and result in chronic infections. Antibiotics have no effect on viruses, but several antiviral drugs have been developed.

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