1 used to describe the way in which something quickly becomes very popular or well known by being published on the internet or sent from person to person by email, phone, etc.:
Links to the site spread virally.
Linkbait is content that is designed to be shared and replicated virally in an effort to gain backlinks.
The mode of virally induced tumors can be divided into two, "acutely transforming" or "slowly transforming".
The amount of virally infected cardiomyocytes varies in different stages of the disease.
However, there is some attenuation of efficacy when it is actually transmitted virally.
News about the games spreads virally through the use of blogs and mailing lists.
Additionally, virally-introduced genes can be targeted for gene silencing by methylation which can counteract the effect of traditional gene therapy.
Cells that have been virally transformed can be differentiated from untransformed cells through a variety of growth, surface, and intracellular observations.