Antibodies, HeterophileInfectious MononucleosisAntigens, HeterophileForssman AntigenHerpesvirus 4, HumanHemagglutination TestsLatex Fixation TestsImmunoconglutininsFalse Positive ReactionsImmunoglobulin MEpstein-Barr Virus InfectionsAntibodies, ViralAntigensImmunoassayImmunoglobulin GAntigens, BacterialReagent Kits, DiagnosticAntigens, ViralEpstein-Barr Virus Nuclear AntigensAgglutininsSplenic RuptureSerologic TestsAntigens, SurfaceLymphoproliferative DisordersHerpesvirus VaccinesFluorescent Antibody TechniqueLymphocytesOropharynxBurkitt LymphomaAntigens, NeoplasmT-LymphocytesHodgkin DiseaseB-LymphocytesHerpesviridae Infections