Definition of "viruses" []

• Plural form of virus. (noun)

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• "File viruses * Trojans * Stealth viruses* Polymorphic viruses * Bodiless viruses * Macro viruses * MS Office viruses * Script viruses * Spyware * Spybots * Password stealers *"
• "The primary reservoir for influenza viruses is aquatic birds, but humans are not readily directly infected by the strains from those animals."
• "The study of tumour viruses is a central area of modern cancer research."