One of the mysteries of the English language finally explained.
Not caused by or associated with the hepatitis A and B viruses; (originally) specifically designating the type of viral hepatitis that was subsequently identified as hepatitis C.
1970s; earliest use found in The Lancet. From non- + A + non- + B.
non-A non-B/nɒnˌeɪ nɒnˈbiː/
In this article we explore how to impress employers with a spot-on CV.