Figure 2.7 – Acute – Risk & Exposure

At a glance

Among the 2,126 cases of acute hepatitis B reported during 2022, at least one risk behavior or exposure during the 6 weeks to 6 months before illness onset was reported for 560 (26%) cases and these data were missing for 971 (46%).
2022 Hepatitis B Surveillance

Availability of information on risk behaviors or exposures* associated with reported cases† of acute hepatitis B — United States, 2022

Figure 2.7 Data
Availability of information on risk behaviors or exposures* associated with reported cases† of acute...
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Source: CDC, 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 B case; 6) sustained a percutaneous injury; 7) household contact with suspected/confirmed hepatitis B 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 Acute Hepatitis B.

Summary

Among the 2,126 case reports of acute hepatitis B received by CDC for 2022, data regarding risk behaviors and exposures were missing for 971 (46%) cases. At least one risk behavior or exposure was reported for 560 (26%) cases during the 6 weeks to 6 months before illness onset; 595 (28%) cases had no risk behavior or exposures identified. More than one risk can be reported for each case. (See below Table 2.3.)

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