n :  a herpesvirus that causes infectious mononucleosis and is associated with Burkitt's lymphoma and nasopharyngeal carcinoma - abbr. EBV - called also EB virus 
 
Ep•stein, Michael Anthony (b 1921), and Barr, Yvonne M. (b 1932), British virologists. In 1964 Epstein and Barr isolated a herpesvirus in cultured Burkitt's lymphoma cells. This herpesvirus, since known as the Epstein-Barr virus, is now thought to be a cause of various types of human cancers, including Burkitt's lymphoma and nasopharyngeal carcinoma. Epstein also did research on tumor cell structure and other viruses.
 
 
 
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