Slide 3.2. Incidence of acute hepatitis B, by age group — United States, 1990–2009

Figure 3.2. From 1990 through 2009, incidence rates for acute hepatitis B decreased for all age groups; the greatest declines occurred in the 20–29 and 30–39 year age groups. In 2009, the highest rates were among persons aged 30–39 years (2.28 cases/100,000 population), and the lowest were among adolescents and children aged <19 years (0.06 cases/100,000 population).