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pertaining to or caused by a virus.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.


Of, pertaining to, or caused by a virus.
Farlex Partner Medical Dictionary © Farlex 2012


1. Of, relating to, or caused by a virus.
2. Of or relating to the rapid propagation of information, ideas, or trends by means of social networks rather than conventional mass media: viral marketing.

vi′ral·ly adv.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.


Of, pertaining to, or caused by a virus.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012


Inflammation of the liver, due usually to viral infection but sometimes to toxic agents.
[hepat- + -itis]

hep·a·ti·tis, vi·ral, non-A, non-B

(NANB) (hepă-tītis, vīrăl)
Disease due to viral agents other than hepatitis viruses A or B.
Medical Dictionary for the Dental Professions © Farlex 2012

Patient discussion about viral

Q. What are the causes of viral blisters on the skin? For a few months now I've been having these hard viral blisters on my fingers. The only way to get rid of them is with freezed carbon. It does go away with that treatment- after a few weeks but then a new one appears. How can I prevent it from "attacking" again??

A. These viral blisters you are describing are caused by HPV (papilloma virus), and are very hard to get rid of without treatment with freezed carbon. Many of us have the virus but not everyone gets the actual infection. There is not a proved way of preventing from it to happen again after treatment, unfortunately..

More discussions about viral
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References in periodicals archive ?
Changes in NCCR result in changes in cellular transcription factor binding sites, which affect tissue specificity and activity of viral transcription and replication.
Our target for ribozyme-mediated inhibition is HIV-1 Tat, which encodes a small protein that upregulates viral transcription. Previous studies have shown that Tat inhibition prevents viral replication.
The defensins are believed to block all HIV, and to act through a completely different mechanism -possible involving viral transcription, instead of viral entry into the cell.
Importantly, modifications on the NCCR region are associated with an increase of viral transcription and replication in patients with PML [30-32].
Latency is characterized by a lack of viral replication and limited viral transcription. Periodic reactivation from latency delivers the virus to mucosal epithelial cells, where it replicates; infectious virus is released from the mucosal epithelium.
Tat encodes a small protein that is responsible for the regulation of viral transcription and is therefore critical to viral replication.
Tat is a small virally encoded protein that is responsible for regulation of viral transcription. Furthermore, Tat interacts directly with its target sequence within the LTR and is therefore critical for viral replication.