Serologic markers for Hepatitis A, B, and C were also negative, including Hepatitis A Immunoglobulin M (IgM), Hepatitis B surface antigen (HBsAg), Hepatitis B core antibody (cAb) IgM, Hepatitis C antibody (HCV Ab), and Hepatitis C RNA (HCV RNA). The gene discussed is CD40LG; the disease is Hepatitis.