Viral hepatitis surveillance United States, 2016
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Viral hepatitis surveillance United States, 2016

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    The Centers for Disease Control and Prevention’s (CDC) National Notifiable Diseases Surveillance System (NNDSS) (1) receives viral hepatitis case reports electronically each week from state and territorial health departments in the United States (U.S.) via CDC’s National Electronic Telecommunications System for Surveillance (NETSS), a computerized public health surveillance system. The surveillance system accepts case reports of viral hepatitis from all states and the District of Columbia, though not all jurisdictions report their data. In 2016, all 50 states and the District of Columbia submitted reports of acute hepatitis A virus (HAV) infection, 48 states submitted reports of acute hepatitis B virus (HBV) infection, 42 submitted reports of acute hepatitis C virus (HCV) infection, 43 submitted reports of chronic HBV infection, and 42 submitted reports of chronic HCV infection. Viral hepatitis cases reported to NNDSS represent persons who were tested for and diagnosed with viral hepatitis infection based on specific surveillance case definitions ( Most persons infected with viral hepatitis are asymptomatic and so are not identified or reported. This summary describes estimated trends during 2001-2016 and reported cases of HAV, HBV, and HCV infections in 2016. In 2011, CDC developed a statistical method to account for cases that were neither diagnosed nor reported in estimating the actual number of new (acute) cases of HAV, HBV, and HCV infections from the number of cases reported for each disease (2); estimates adjusted for under-ascertainment and under-reporting in this report were derived using this method. Note that estimates before 2011 were obtained using a differet, unpublished method, and cannot be compared with estimates in this report. Publication date from document properties. 2016HepSurveillanceRpt.pdf
  • Content Notes:
    Summary -- Background: Sources of information -- Investigation of healthcare-associated outbreak cases -- Hepatitis A -- Hepatitis B: Acute Hepatitis B; Chronic Hepatitis B; Perinatal Hepatitis B -- Hepatitis C: Acute Hepatitis C; Hepatitis C -- Discussion -- References -- Additional resources.
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