Table 5.3 – Hepatitis B & Hepatitis C among Adults 18–40 Years Old, by Demographic Characteristics

At a glance

This table summarizes the numbers of reported cases and rates of acute hepatitis B and acute hepatitis C among persons aged 18-40 years for 2021. Persons aged 18-40 years were used as a proxy for persons who inject drugs.
CDC 2021 Hepatitis Surveillance Report appendix

Numbers and rates* of reported cases of acute hepatitis B and acute hepatitis C infections† among adults aged 18–40 years old, by demographic characteristics — United States, 2021

The number of reported cases and rates of acute hepatitis B and acute hepatitis C among persons aged 18 to 40 years for 2021.
Characteristics Acute Hepatitis B Acute Hepatitis C
No. Rate* No. Rate*
Total§ 656 0.6 2,745 2.8
Sex
Male 371 0.7 1,802 3.6
Female 285 0.6 938 1.9
Race/Ethnicity
American Indian/Alaska Native, non-Hispanic 3 0.4 45 6.6
Asian/Pacific Islander, non-Hispanic 14 0.2 33 0.5
Black, non-Hispanic 136 1.0 228 1.6
White, non-Hispanic 353 0.6 1,758 3.3
Hispanic 90 0.4 284 1.3
HHS Region
Region 1 19 0.4 226 5.3
Region 2 32 0.4 212 2.4
Region 3 60 0.7 216 2.4
Region 4 351 1.7 1,072 5.3
Region 5 92 0.6 488 3.1
Region 6 52 0.4 224 1.6
Region 7 13 0.3 20 0.5
Region 8 6 0.1 122 2.9
Region 9 22 0.1 64 0.5
Region 10 9 0.2 101 2.3
Table 5.3
table-5.3
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Source: CDC, National Notifiable Diseases Surveillance System.

* Rate per 100,000 population.

† Reported confirmed cases. For case definitions, see Surveillance Case Definitions for Current and Historical Conditions.

§ Numbers reported in each category may not add up to the total number of reported cases in a year due to cases with missing data or, in the case of race/ethnicity, cases categorized as "Other."

¶ US Department of Health and Human Services regions were categorized according to the grouping of states and US Territories assigned under each of the 10 Health and Human Services regional offices. For the purposes of this report, regions with US territories (Region 2 and Region 9) contain data from states only.

Summary

The number of reported cases and rates of acute hepatitis B and acute hepatitis C among persons aged 18-40 years for 2021. Persons aged 18-40 years were used as a proxy for persons who inject drugs.

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