ˌepˌstīn¦bär- noun
Usage: usually capitalized E&B
Etymology: after Michael Anthony Epstein b 1921 English pathologist and Yvonne M. Barr b 1932 English virologist
: a herpesvirus (genus Lymphocryptovirus ) that causes infectious mononucleosis and is associated with Burkitt's lymphoma and nasopharyngeal carcinoma — abbreviation EBV ; called also EB virus