Viral
来自Big Physics
Safin（讨论 | 贡献）2022年4月27日 (三) 19:50的版本 （建立内容为“Category:etymology == wiktionary == [https://en.wiktionary.org/wiki/viral ref] virus + -al From the stem of virus and the suffix -al. == etymonline…”的新页面）
wiktionary
virus + -al From the stem of virus and the suffix -al.
etymonline
viral (adj.)
"of the nature of, or caused by, a virus," 1944, see virus + -al (1). Sense of "become suddenly widely popular through internet sharing" is attested by 1999, originally in reference to marketing and based on the similarity of the effect to the spread of a computer virus. Related: Virally.
