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This retrospective study investigated the prevalence of hepatitis B virus (HBV) in 192 stored sera from human immunodeficiency virus (HIV) positive South African patients initiating antiretroviral(More)
The hepatitis B vaccine has been part of the South African Expanded Program on Immunization since April 1995 but its long-term impact remains unknown. This study tested 1,206 sera collected from(More)
This retrospective study investigated and characterized the YMDD motif of the hepatitis B virus (HBV) reverse transcriptase (RT) gene, in sequential samples of 17 South African patients with chronic(More)