The sixth patient who had hepatitis B and jaundice had abnormal liver function test values already at inclusion (ALT 33 × ULN, AST 21 × ULN and total bilirubin 3.94 × ULN); the patient was positive for HBs antigen on day 4 and for anti-HBc IgG and IgM on day 21, he recovered from clinical symptoms of hepatitis by day 28. The gene discussed is CD40LG; the disease is hepatitis B virus infection.