Viral hepatitis surveillance United States, 2013
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Filetype[PDF-1.53 MB]


  • English
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    • Corporate Authors:
      National Center for HIV/AIDS, Viral Hepatitis, STD, and TB Prevention (U.S.). Division of Viral Hepatitis.
    • Description:
      As part of the Centers for Disease Control and Prevention’s (CDC) National Notifiable Diseases Surveillance System (NNDSS), viral hepatitis case-reports are received electronically from state and territorial health departments via CDC’s National Electronic Telecommunications System for Surveillance (NETSS), a computerized public health surveillance system that provides CDC with data on cases of nationally notifiable diseases on a weekly basis. Although the surveillance infrastructure is in place for reporting of both acute and chronic infections, case-reports of chronic hepatitis B virus (HBV) and past or present hepatitis C virus (HCV) infections, which account for the greatest burden of disease, were submitted by 41 states and 37 states, respectively, in 2013. As noted in a report from the Institute of Medicine (1), surveillance capacity to monitor viral hepatitis is limited at the state and local level, resulting in under- reporting and variable data quality.

      The NNDSS data in this report should be interpreted with the understanding that reported cases of viral hepatitis represent only those infected persons who were detected, diagnosed, met a stringent case definition, and eventually reported to CDC in 2013. Because many infections are not reported, this Summary is most useful in detecting trends over time in newly reported cases of hepatitis A virus (HAV), HBV, and HCV infections. In an effort to account for under- ascertainment and under-reporting, a method was developed in 2011 to better quantify the number of new cases of hepatitis A, B, and C from the actual number cases reported for each disease (2). The estimates in this report were obtained using this new methodology. We caution the reader, however, that the estimates of the number of new cases after 2011, including those in this report, cannot be compared to estimates before 2011, which were obtained using a different (unpublished) methodology, but the trends seen in reported data still pertain, such as the increase in the number of acute cases of HCV infection among young persons that was observed beginning in 2011.

      2013HepSurveillanceRpt.pdf

      Publication from document properties: created: 6/26/15; modufied: 1/10/17

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    • Document Type:
      Report
    • Place as Subject:
      United States
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