the at patients showed an increased incidence ( 55.6 % ) of high antibody titres ( greater than or equal to 1:320 ) to viral capsid antigen ( vca ) , and also a high incidence ( 48.2 % ) of antibodies to epstein-barr virus ( ebv ) induced early antigens ( ea ) , but low titres ( less than 1:10 ) of antibodies to the ebv-associated nuclear antigen ( ebna ) in 44.2 % of the cases .
C0003342
viral
C0003320
antigens