Definition of Virus

tiny organisms that cause disease and must have a cell host to multiply

Examples of Virus in a sentence

The virus is said to spread with time, causing the infected person to become sicker as the years go on.  🔊

As they multiply in your cells, the tiny virus organisms get rid of good bacteria.  🔊

I knew I had a virus when I started feeling crummy and running a fever.  🔊

The computer virus was similar to a human disease as it took over the host cell by cell and eventually shut it down.  🔊

Once infected, the herpes virus can lay in wait for long periods of time before reactivating and making the person sick again.  🔊

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