viral

Of, relating to, or caused by a virus.

Of or relating to the propagation of information, ideas, or trends by means of social networks rather than conventional mass media.

Of or relating to a biological virus.

Caused by a virus.

Of the nature of an informatic virus; able to spread copies of itself to other computers.

Spread by word of mouth, with minimal intervention in order to create buzz and interest.

A video, image or text spread by “word of mouth” on the internet or by e-mail for humorous, political or marketing purposes.

relating to or caused by a virus