Figure 3.2. Rates* of reported acute hepatitis C virus infections, by state — United States, 2018–2019

Figure 3.2. Rates* of reported acute hepatitis C virus infections, by state — United States, 2018–2019

The graph shows the distribution of rates of acute hepatitis C by state or jurisdiction, for 2018 and 2019, sorted from the highest to lowest rate for 2019. The U.S. rate in 2019 was 1.3 cases per 100,000 population. Indiana and West Virginia had the highest rates of reported acute hepatitis C in 2019.
Source: CDC, National Notifiable Diseases Surveillance System.
* Rates per 100,000 population.
† Reported cases that met the classification criteria for a confirmed case. For the case definition, see https://ndc.services.cdc.gov/conditions/hepatitis-c-acute/.
Only states with rates for 2018 and 2019 are shown. State/justification and year for no reported cases: North Dakota (2019), Hawaii (2018); for not reportable condition: Alaska (2018, 2019), for unavailable data: Arizona (2018, 2019), Delaware (2018, 2019), District of Columbia (2018, 2019), Iowa (2018), Mississippi (2018, 2019), Rhode Island (2018, 2019).

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During 2019, the rates of reported acute hepatitis C ranged from a high of 4.8 cases per 100,000 population in Indiana to a low of 0.2 cases per 100,000 population in Connecticut, Louisiana, Nebraska, South Carolina, and Texas. The largest increase in rates was observed in Arkansas, with a rate during 2019 (1.9 cases per 100,000 population) >6 times the rate reported during 2018 (0.3 cases per 100,000 population). In contrast, the largest decrease was observed in Wyoming, where the rate decreased 77% during 2019, compared with 2018. Because of varying resources for conducting viral hepatitis surveillance and the relatively smaller number of acute hepatitis C cases reported in certain jurisdictions, wide fluctuations in annual rates might occur.

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