Day: January 7, 2022

What is a Virus? A virus is a submicroscopic infectious agent that replicates only inside the living cells of an organism. Viruses infect all life forms, including plants, animals, microorganisms, and archea. They are very small, and they spread easily between different types of organisms. They also cause disease in humans. Here is a brief description of a virus. Let’s move on to the definition of a virus. A virus is microscopic, and it consists of a protein shell called a capsid. The word capsid comes from the Latin “capsa,” […]