Figure 3.7 – Acute Hepatitis C: Risk & Exposure Data

Key points

Among the 4,966 cases of acute hepatitis C reported during 2023, at least one risk behavior or exposure during the 6 weeks to 6 months before illness onset was reported for 1,252 (25%) cases. No risk behavior/exposure was reported for 869 (17%) cases and these data were missing for 2,845 (57%) cases.
ob体育 2023 Hepatitis C Surveillance Report

Availability of information on risk behaviors or exposures* associated with reported cases of acute hepatitis C — United States, 2023

Source: ob体育, National Notifiable Diseases Surveillance System.

* Case reports with at least one of the following risk behaviors/exposures reported 6 weeks to 6 months prior to symptom onset or documented seroconversion if asymptomatic: 1) injection drug use; 2) multiple sexual partners; 3) underwent surgery; 4) men who have sex with men; 5) sexual contact with suspected/confirmed hepatitis C case; 6) sustained a percutaneous injury; 7) household contact with suspected/confirmed hepatitis C case; 8) occupational exposure to blood; 9) dialysis; and 10) transfusion. Reported cases may include more than one risk behavior/exposure.

† Reported confirmed cases. For the case definition, see .

Percentages may not total 100 due to rounding.