Microbiology Epstein-Barr virus (EBV) VCA-IgG 1 :80 and EBV antibody to early antigen EA1 :320 suggest which one of the following diseases? A Chronic infectious mononucleosis B Primary syphilis C Scarlet fever D Primary atypical pneumonia 💡 Explanation Epstein-Barr virus (EBV) VCA-IgG 1 :80 and EBV antibody to early antigen EA1 :320 suggest which one of the following diseases? ✓ Correct Answer: A. Chronic infectious mononucleosis