infect
Concise Oxford English Dictionary © 2008 Oxford University Press:
infect/ɪnˈfekt/
▶verb affect (a person, organism, etc.) with a disease-causing organism.
■ Computing affect with a virus.
■ affect adversely.
– derivatives
infector noun.
infector noun.
– origin ME: from L. infect-, inficere ‘taint’, from in- ‘into’ + facere ‘put, do’.
'infect' also found in these Oxford entries:

