It is basically a cell that multiply only with another one of itself.
Answer:
A virus is something that can be spread. It tricks your immune system into thinking its a cell, then it goes into a cell to replicate itself and attack your immune system. This is the way you get sick from a virus.
A virus is an acellular infectious agent composed of genetic material and a protein coat that can only replicate inside a host cell. It attaches to a host, enters it, uses the host's machinery to replicate, assembles, and then releases new viruses. Viruses can infect various types of life forms, leading to various diseases.
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