Rates* of reported cases† of Hepatitis A virus infection, by age group — United States, 2006–2021
Source: CDC, National Notifiable Diseases Surveillance System.
* Rates per 100,000 population. Beginning in 2021, single-race population estimates are used for rate calculations. For prior years, bridged-race population estimates are used.
† Reported confirmed cases. For the case definition, see Acute Hepatitis A.
* Rates per 100,000 population. Beginning in 2021, single-race population estimates are used for rate calculations. For prior years, bridged-race population estimates are used.
† Reported confirmed cases. For the case definition, see Acute Hepatitis A.
Since 2006, the rates of hepatitis A decreased in all age groups and remained constant until outbreaks of hepatitis A began to be reported during 2016. The substantial increase in the rates of hepatitis A observed during 2017–2019 was apparent in almost all age groups. The exception was for persons aged less than 20 years, which is due to the introduction of hepatitis A vaccine in 1996 and universal childhood vaccination recommendation in 2006. In 2021, the rate of reported cases of hepatitis A either decreased or stayed the same in nearly all age groups compared to 2020. In 2021, the highest rate occurred among persons aged 30–39 years (3.9 per 100,000 population).
Hepatitis A Figures and Tables
- Figure 1.1. Number of reported cases of hepatitis A virus infection and estimated infections — United States, 2014–2021
- Figure 1.2. Rates of reported cases of hepatitis A virus infection, by state or jurisdiction — United States, 2020–2021
- Figure 1.3. Rates of reported cases of hepatitis A virus infection, by state or jurisdiction — United States, 2021
- Figure 1.4. Rates of reported cases of hepatitis A virus infection, by age group — United States, 2006–2021
- Figure 1.5. Rates of reported cases of hepatitis A virus infection, by sex — United States, 2006–2021
- Figure 1.6. Rates of reported cases of hepatitis A virus infection, by race/ethnicity — United States, 2006–2021
- Figure 1.7. Availability of information regarding risk behaviors or exposures associated with reported cases of hepatitis A virus infection — United States, 2021
- Table 1.1. Numbers and rates of reported cases of hepatitis A virus infection, by state or jurisdiction — United States, 2017–2021
- Table 1.2. Numbers and rates of reported cases of hepatitis A virus infection, by demographic characteristics — United States, 2017–2021
- Table 1.3. Reported risk behaviors or exposures among reported cases of hepatitis A virus infection — United States, 2021
- Table 1.4. Numbers and rates of deaths with hepatitis A virus infection listed as a cause of death among residents, by demographic characteristics — United States, 2017–2021