KRT88P and hepatitis B virus infection: All of 103 HIV patients in the HIV clinic were screened for hepatitis B. Of the 103 HIV infected patients, seven (6.79%) were HBs Ag and HBc Ab positive, in 44 (42.7%) patients HBs Ag and HBc Ab were negative, and finally 52 (50.5%) patients were HBs Ag negative and HBc Ab positive.