Question

define viruses in breif

Answer 1

so now u got to know abt viruses

Answer 2

viruses are microscopic organism which reproduce only inside a host cell which may be a bacterium, plant or animal. viruses are border line organisms. this means tgey are non living until they get attached to host cell. some common diseases caused by viruses are cold, cough, polio, chicken pox, influenza.

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