Fig. 3From: Prevalence and incidence rates of laboratory-confirmed hepatitis B infection in South Africa, 2015 to 2019National incidence rate of acute HBV infection per 100,000 population amongst individuals 20 to 24 years old, 2015 to 2019. Incidence rate was calculated as (the number of cases who tested positive for anti-HBc IgM × 100,000) / the population estimate per yearBack to article page