151k views
4 votes
What is caused by viruses

1 Answer

3 votes
A virus is a submicroscopic infectious agent that replicates only inside the living cells of an organism. Viruses infect all types of life forms, from animals and plants to microorganisms, including bacteria and archaea.
User Terence Lewis
by
8.0k points
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.