Not originating in, or caused by a virus(adjective)
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Use "nonviral" in a sentence
"April 19 - 12% of tech support calls to Dell concern nonviral threats - spyware and adware and other malware that slow down a machine and can violate privacy."
"Venter picked M. genitalium, a bacterium with one of the smallest nonviral genomes on the planet — just 582,970 base pairs."
"They've developed a nonviral vector that successfully delivered its DNA load to specifically targeted cells within living animals."