it causes several different diseases , such as acute infectious mononucleosis ( im ) , chronic active ebv-infection ( cebv ) , the x-linked lymphoproliferative syndrome ( xlp ) , polyclonal and oligoclonal lymphomae in connection with immunologic disorders , as well as african burkitt 's lymphoma and nasopharyngeal carcinoma .
C0149678
ebv-infection
C0343640
african burkitt 's lymphoma