Fig. 2From: Prevalence and incidence rates of laboratory-confirmed hepatitis B infection in South Africa, 2015 to 2019HBsAg test positivity rate 2015 to 2019 by gender (a), age group (b), and province (c). HBsAg test positivity rate was calculated as the percentage of HBsAg positive tests over the total number of HBsAg tests per yearBack to article page