Among the 51 individuals who had HBsAg (n = 22) or isolated anti-HBc (n = 29), 18 were also positive for HBV DNA, nine had active infections (HBsAg-reactive sample), and the other 9 individuals were considered occult hepatitis B cases (HBsAg−, HBV DNA+, anti-HBc+, and anti-HBs−). The gene discussed is KRT88P; the disease is infection.