Rates* of reported cases† of acute Hepatitis C virus infection, by race/ethnicity — United States, 2006–2021

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Rates* of reported cases† of acute Hepatitis C virus infection, by race/ethnicity — United States, 2006–2021
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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. When comparing the 2021 rates by race/ethnicity to prior years, differences may be due to the change in denominator and should be interpreted with caution (see Technical Notes).
† Reported confirmed cases. For the case definition, see Acute Hepatitis C.

Compared with 2006, rates in 2021 were substantially higher among all race and ethnicity categories. During 2021, rates of reported cases of acute hepatitis C ranged from a low of 0.3 cases per 100,000 population among non-Hispanic Asian/Pacific Islander (A/PI) persons to a high of 2.7 cases per 100,000 population among non-Hispanic American Indian/Alaska Native persons. From 2020–2021, rates increased in all race and ethnicity categories, except among non-Hispanic A/PI. Variations of disease rates by race or ethnicity may reflect systemic cultural, behavioral, environmental, and social factors, including structural racism.

Fluctuations in annual rates may result in part from the relatively smaller number of cases reported among some race and ethnicity categories and a change from using bridged-race (prior to 2021) to single-race (in 2021) population estimates as denominators for rate calculations (see Technical Notes).

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