This article is from the Computer Viruses FAQ, by Nick FitzGerald n.fitzgerald@csc.canterbury.ac.nz with numerous contributions by others.
The correct English plural of "virus" is "viruses". The Latin word is a
mass noun (like "air") and, therefore, there is no correct Latin plural.
Please use "viruses", and if people use other forms, please do *not* use
Virus-L/comp.virus to correct them.
 
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