(ep'stīn'bar' )

[Michael Anthony Epstein, Brit. physician, b. 1921; Yvonne M. Barr, Brit. physician, b. 1932]

ABBR: EBV

A member of the herpesvirus family, discovered in 1964. It is one of the causes of infectious mononucleosis. In South African children, it is associated with Burkitt's lymphoma; in Asian populations, with nasopharyngeal carcinoma.

SYN: human herpesvirus 4.