A virus is a tiny organism that can make people and animals ill. It needs a living cell to live and grow.
The flu virus makes many people sick.
Viruses can spread fast in winter.
A virus in computers is a type of software that can harm the system or data. It can spread from one computer to another.
My computer got a virus last night.
The virus deleted important files.
Viruses can infect plants and animals as well as humans. They cause illness and damage in different living things.
The plant virus affects the leaves.
Many viruses infect different animal species.
People use 'virus' to talk about bad ideas or feelings that spread fast and harm people or groups.
Rumors spread like a virus in the office.
The virus of hate can damage society.
Some people call a person a 'virus' if they quickly spread bad actions or thoughts to others.
He’s a virus for bad behaviors at school.
Don’t be a virus in this group.
In old medical use, 'virus' sometimes referred to the biological material used in vaccines or treatments to protect people from disease.
The doctor used virus for vaccination.
Virus samples help make new vaccines.
