CD40LG and Acute hepatitis: Thirty of 212 (14.2%) sera from 27 of 111 (24.3%) HBsAg-carriers were IgM-anti-HBc positive using the acute-hepatitis-cut-off (1S/CO): 4 of 10 HBeAg-positive-CHB and 23 of 66 HBeAg-negative-CHB patients, but none of IC.