what are viruses in simple way
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A virus is a microscopic parasite that can infect living organisms and cause disease. It can make copies of itself inside another organism's cells. Viruses consist of nucleic acid and a protein coat. Usually the nucleic acid is RNA; sometimes it is DNA. ... Viruses are so much smaller than bacteria.
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The virus is a submicroscopic infection that replicates only inside the living cell of an organisms.
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