The Deadliest Virus on Earth

A system is a group of parts that work together as a whole. It can be used to describe a set of rules, a computer program, or a part of the body.

Used to refer to the person or people that the speaker is addressing. It is the second-person pronoun used for both singular and plural subjects and objects.

A submicroscopic infectious agent that replicates only inside the living cells of an organism, often causing disease. In technology, it refers to a piece of malicious code that replicates itself to damage or disrupt a computer system.

Viruses are microscopic infectious agents that can only replicate inside the living cells of an organism. They are responsible for many diseases in humans, animals, and plants, and the term is also used for malicious computer programs.