Occult Hepatitis B Virus Infection among HIV Positive Patients in Nigeria

Figure 1

PCR for detection of HBV DNA in HBsAg negative patients. Representative agarose gel electrophoresis of PCR products. Lanes 6 and 27 were positive for HBVDNA. Lanes 1, 2, 3, 4, 37, and 42 were negative for HBVDNA. +C: positive control, −C: negative control, and L: molecular weight size marker.