<prompt> Paul Bunnell test is forMalta feverTyphus feverEnteric feverInfectious mononucleosis  <response>: Laboratory diagnosis of IMN1. Heterophile antibodies test The standard diagnostic procedure in children and young adults is heterophile antibodies test - Paul Bunnell Test A titre of 40 fold or greater is diagnostic of acute EBV infection in a patient who has symptoms compatible with infectious mononucleosis, The test usually remains positive for 3 months. The test is usually negative in children 5 years, in elderly or in patients with symptoms not typical of infectious mononucleosis. Monospot test for heterophile antibodies is more sensitive than the classical heterophile test.2. EBV specific antibody test Used in patients who lack heterophile antibodies children 5 years and for patients with atypical presentation.anti-viral capsid antigen anti-VCAmost common anti-EBV nuclear antigen anti-EBNA anti - early antigen anti - EA 