Key points
A higher number of newly reported cases of chronic hepatitis C was observed among males compared with females across all age groups. A bimodal age distribution was observed with the peak among younger age groups at 33 years and among older age groups at 65 years.
Number of newly reported* chronic hepatitis C cases† by sex and age — United States, 2023
Source: CDC, National Notifiable Diseases Surveillance System.
* During 2023, cases of chronic hepatitis C were either not reportable by law, statute, or regulation; not reported; or otherwise unavailable to CDC from Arizona, Hawaii, Kentucky, North Carolina, and Texas.
† Only confirmed, newly reported, chronic hepatitis C cases are included. For the complete case definition, see .
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About Division of Viral Hepatitis