Numbers and rates* of reported cases† of hepatitis A, by state or jurisdiction — United States, 2018–2022

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◀ Figure 1.7
Table 1.2 ▶
Numbers and rates* of reported cases† of hepatitis A, by state or jurisdiction — United States, 2018–2022
Numbers and rates* of reported cases† of hepatitis A, by state or jurisdiction — United States, 2018–2022
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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 2022, the rate of reported hepatitis A in the United States was 0.7 per 100,000 population, a 59% decrease from the rate reported during 2021. The states with the highest rate of reported hepatitis A cases were Mississippi and Maine (4.6 cases per 100,000 population), whereas Florida reported the largest number of cases (n = 319). The states with the highest rates of reported hepatitis A cases during 2022 were primarily those affected by outbreaks of hepatitis A associated with person-to-person transmission.

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