Rates* of reported acute hepatitis B virus infection, by state or jurisdiction — United States, 2019-2020

Rates* of reported acute hepatitis B virus infection†, by state or jurisdiction — United States, 2019-2020

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Source: CDC, National Notifiable Diseases Surveillance System.

* Rates per 100,000 population.

† Reported confirmed cases. For the case definition, see Acute Hepatitis B.

Only states with rates for 2019 and 2020 are shown. State/jurisdiction and year for no reported cases: Connecticut (2020), Hawaii (2020), Idaho (2020), Nebraska (2019), New Hampshire (2020), New Mexico (2020), North Dakota (2019); for unavailable data: District of Columbia (2019, 2020), Rhode Island (2019, 2020).

State or jurisdiction ranked in decreasing order by the 2020 rate, 2019 rate, and then alphabetical order by name.

During 2020, the rates of reported acute hepatitis B ranged from a high of 3.2 cases per 100,000 population in West Virginia to a low of 0.1 in California, Kansas, Minnesota, Nebraska, and South Dakota. For almost every state, the 2020 rate was lower than the corresponding rate in 2019. The largest absolute decrease in rates from 2019 to 2020 was observed in Kentucky (1.7 cases per 100,000 population), whereas the largest absolute increase was observed in South Carolina (0.5 cases per 100,000 population). Because of varying resources to conduct viral hepatitis surveillance and the relatively smaller number of acute hepatitis B virus cases reported in certain jurisdictions, wide fluctuations in annual rates occur.

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