infectious mononucleosis

antibodies barr blood body brain cells chest condition disease ebv epstein fever filatov glands glandular health healthcare human immune infection infectious liver lymph lymphocytes medical medicine mono mononucleosis nausea neck pain painful pathology pfeiffer pharyngitis problem problems rbcs red science sign sore spleen stomach surgery swelling swollen symptom symptoms syndrome system test throat thyroid tonsillitis tonsils viral virus vision white with