Numbers and rates* of reported acute hepatitis infections among adults aged 18-40 years old, by demographic characteristics ¡ª United States 2020

Numbers and rates* of reported acute hepatitis infections among adults aged 18-40 years old, by demographic characteristics — United States 2020
Characteristics Acute Hepatitis B Acute Hepatitis C
No. Rate* No. Rate*
Total§ 690 0.7 2,908 2.9
Sex
Male 402 0.8 1,824 3.6
Female 287 0.6 1,079 2.2
Race/ethnicity
American Indian/Alaskan Native 4 0.4 40 5.1
Asian/Pacific Islander 16 0.2 29 0.4
Black, non-Hispanic 102 0.7 202 1.4
White, non-Hispanic 443 0.8 1,974 3.6
Hispanic 55 0.3 223 1.1
Urbanicity
Urban 539 0.6 2,360 2.6
Rural 131 1 498 3.9
HHS Region**
Region 1: Boston 24 0.6 247 5.9
Region 2: New York 30 0.3 284 3.3
Region 3: Philadelphia 63 0.7 235 2.6
Region 4: Atlanta 351 1.7 1,013 5
Region 5: Chicago 116 0.7 615 3.9
Region 6: Dallas 54 0.4 214 1.5
Region 7: Kansas City 11 0.3 42 1
Region 8: Denver 11 0.3 101 2.5
Region 9: San Francisco 14 0.1 55 0.4
Region 10: Seattle 16 0.3 101 2.3

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Source: ÐÇ¿ÕÓéÀÖ¹ÙÍø, National Notifiable Diseases Surveillance System.* Rate per 100,000 population.

§ 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”.

¶ Urban-rural region was categorized according to 2013 National Center for Health Statistics (NCHS) urban-rural classification scheme for counties and county-equivalent entities (/nchs/data_access/urban_rural.htm.) Large central metro, large fringe metro, medium metro, and small metro counties were grouped as urban. Micropolitan and noncore counties were grouped as rural.

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

The number of reported cases and rates of acute hepatitis B and acute hepatitis C among persons aged 18 to 40 years for 2020. Persons aged 18–40 years were used as a proxy for persons who inject drugs.