Definitions

1. adjective

causing or characterized by a disease or infection

“The virous strain of the virus was highly contagious.”

2. noun

A person or thing that causes or is characterized by a disease or infection.

“The virous patient was isolated from the rest of the hospital.”

3. noun

A thing, such as a substance or organism, that is capable of being the source or cause of a disease or infection.

“The virous agent was identified and neutralized.”