how viruses work?

how viruses work?
Viruses gain their power by worming their way into living cells, quickly hijacking the cells' machinery, then reproducing like mad. Soon they are spilling out into other cells, infecting them, too—and sometimes spreading across the world.
Full answer in: now.tufts.edu
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How does a virus work in the human body?
Viruses make us sick by killing cells or disrupting cell function. Our bodies often respond with fever (heat inactivates many viruses ), the secretion of a chemical called interferon (which blocks viruses from reproducing), or by marshaling the immune system's antibodies and other cells to target the invader.
Full answer in: www.ncbi.nlm.nih.gov
How does the body kill cold viruses?
Antibodies, which are proteins in the immune system , can latch on to some viruses and follow them on their journey to a cell's interior. Once inside, these antibodies trigger an immune response within the cell, killing the virus without harming the cell, the researchers said. Nov 2, 2010
Full answer in: www.livescience.com
How does the body kill viruses?
A third mechanism used by antibodies to eradicate viruses, is the activation of phagocytes. A virus -bound antibody binds to receptors, called Fc receptors, on the surface of phagocytic cells and triggers a mechanism known as phagocytosis, by which the cell engulfs and destroys the virus.
Full answer in: www.immunology.org
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What is a virus how do viruses work?
A virus is a tiny infectious agent that reproduces inside the cells of living hosts. When infected, the host cell is forced to rapidly produce thousands of identical copies of the original virus. Unlike most living things, viruses do not have cells that divide; new viruses assemble in the infected host cell.
Full answer in: en.wikipedia.org