Viral, when used as a computer term, refers to a reoccurring practice or pattern of Internet use that moves from person to person. An example is the AOL Instant Messenger.

Last updated: June 22, 2004.

adj.

Of, relating to, or caused by a virus.

virally vi'ral·ly adv.

Meaning "related or caused by a virus," with regard to computers and information technology, the term refers less to a computer virus than it does to information that spreads quickly via the Internet. See viral marketing and viral video.

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Pertaining to or caused by a virus.

• v. abortion — see equine viral abortion (below). See also equine viral rhinopneumonitis, equine viral arteritis, infectious bovine rhinotracheitis.
• v. arteritis — see equine viral arteritis.
• v. arthritis — a contagious disease of chickens and turkeys caused by a reovirus and characterized by a high incidence of inapparent infection and some cases of joint swelling and lameness.
• v. assembly — final steps in the replication of viruses in which virions are assembled from their separately synthesized components. The final steps of viral maturation prior to release from the cell.
• v. cultivation — viruses grow only in living cells which in the laboratory are provided by embryonated hen eggs, cell culture, or laboratory animals (rabbits, mice, etc.).
• v. diarrhea — occurs in most species, especially in the newborn. In cattle, rotavirus and coronavirus are the common agents but bovine herpesvirus 1 and others may also be the cause in this age group. In older cattle bovine virus diarrhea (mucosal disease) is the major cause. Some other diseases may have diarrhea as an incidental sign, e.g. rinderpest, bovine malignant catarrhal fever.
• equine v. abortion — caused by equine herpesvirus 1, sometimes equine herpesvirus 4. Abortion occurs in the last trimester and often involves a majority of mares in a group (abortion storm). See also equine viral rhinopneumonitis, equine viral arteritis.
• v. hemorrhagic septicemia — important rhabdoviral infection of rainbow trout. Also causes infection, and sometimes disease, in other salmonids, pike, turbot, Pacific cod and Pacific herring. Acute infection is characterized by hemorrhages and a high mortality. Chronic infection may be inapparent.
• v. hepatitis — see duck hepatitis.
• v. interstitial pneumonia — bovine syncytial virus, a common cause of interstitial pneumonia in all age cattle, especially calves.
• v. ligand — a receptor binding molecule on the surface of a virus. See also ligand.
• v. papular dermatitis — see equine papular dermatitis.
• v. pneumonia — see enzootic pneumonia.
• v. pneumonia calf — caused by parainfluenza-3 virus, bovine respiratory syncytial virus; infection with Mycoplasma, Ureaplasma, Pasteurella spp. may also accompany the viral infection.
• v. recombination — see recombination.
• v. replication — see replication.
• v. teratogen — see akabane virus disease, aino virus disease, bovine virus diarrhea, rift valley fever, wesselsbron disease, bluetongue, border disease, classical swine fever (hog cholera), feline panleukopenia.
• v. transcription — see transcription.

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Dansk (Danish)
adj. - viral, virus-, virologisk

Nederlands (Dutch)
betreffende/ veroorzaakt door een virus

Français (French)
adj. - viral

Deutsch (German)
adj. - (Med.) Virus-

Ελληνική (Greek)
adj. - μιασμένος

Italiano (Italian)
virale

Português (Portuguese)
adj. - relativo a vírus, virulento

Русский (Russian)
вирусный

Español (Spanish)
adj. - viral, vírico

Svenska (Swedish)
adj. - virus-

中文（简体） (Chinese (Simplified))
滤过性毒菌的, 滤过性毒菌引起的

中文（繁體） (Chinese (Traditional))
adj. - 濾過性毒菌的, 濾過性毒菌引起的

한국어 (Korean)
adj. - 바이러스의, 여과성 병원체의, 바이러스성의

日本語 (Japanese)
adj. - ウイルスの

العربيه (Arabic)
‏(صفه) متعلق بفيروس,‏

עברית (Hebrew)
adj. - ‮נגיפי, של וירוס (נגיף)‬

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