IL18 and viral infectious disease: Contrary to the results obtained in this study, in the different viral infections caused by the following oncogenic viruses - Epstein Barr Virus (EBV) (van de Veerdonk et al., 2012), Hepatitis B Virus (HBV) and Hepatitis C Virus (HCV) (Sharma et al., 2009), - there was an increase in expression of IL-18.