Among those testing positive for anti-HBc, 12 (2.7%) reported that they have ever been told by a doctor that they were infected with hepatitis B. Six of these 12 persons were also positive for HBsAg; thus, only 22.2% of those HBsAg positive were aware of their status (tables 1 and 2). The gene discussed is KRT88P; the disease is Hepatitis.