Evidence for a change in the epidemiology of hepatitis B virus infection after nearly two decades of universal hepatitis B vaccination in South Africa

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 patients aged 1–25 years from various health facilities across the country for HBV serological markers an...

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