Numbers and rates* of reported cases† of Hepatitis A virus infection, by state or jurisdiction — United States, 2017–2021

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Table 1.2 ▶
Numbers and rates* of reported cases† of Hepatitis A virus infection, by state or jurisdiction — United States, 2017–2021
Table 1.1. Number and rate* of reported cases† of Hepatitis A virus infection, by state or jurisdiction — United States, 2017–2021
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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.
—: No reported cases. The reporting jurisdiction did not submit any cases to CDC.

During 2021, the rate of reported hepatitis A in the United States was 1.7 per 100,000 population, a 43% decrease from the rate reported during 2020. The state with the highest rate of reported hepatitis A cases was Arkansas (15.5 cases per 100,000 population), whereas North Carolina reported the largest number of cases (n = 940). The states with the highest rates of reported hepatitis A cases during 2021 were primarily those affected by outbreaks of hepatitis A associated with person-to-person transmission. Of note, no hepatitis A cases were reported by Washington, D.C., in 2021.

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