How to use viral in a sentence. Viral videos may be serious, and some are deeply emotional, but many more are based more on entertainment and comedy. The word viral means relating to viruses (small infectious agents)
Viral Vectors 101: Types of viruses
It may also refer to
Memetic behavior likened that of a virus, for example:
What is a viral infection Viral infections are illnesses you get from tiny organisms that use your cells to make more copies of themselves (viruses) Viral infections commonly cause respiratory and digestive illnesses, but viruses can also infect most other parts of your body. Viral adjective (internet) used to describe something that quickly becomes very popular or well known by being published on the internet or sent from person to person by email, phone, etc.:
Of, relating to, or caused by a virus Of or relating to the rapid propagation of information, ideas, or trends by means of social networks rather than conventional mass media A viral film clip, story, or message is one that spreads quickly because people share it on social media and send it to each other. Used to describe a piece of information, a video, an image, etc
That is sent rapidly over the internet and seen by large numbers of people within a short time
Within 24 hours, the video went viral on youtube and facebook Definition of viral adjective in oxford advanced learner's dictionary.