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IID-23 Data Details

IID-23 Reduce hepatitis A

About the Data

Description of the data source, numerator, denominator, survey questions, and other relevant details about the national estimate.

National Data Source
National Notifiable Diseases Surveillance System (NNDSS); Centers for Disease Control and Prevention, Public Health Surveillance and Informatics Program Office (CDC/PHSIPO)
Changed Since the Healthy People 2020 Launch
per 100,000 
Baseline (Year)
1.0 (2007)
Target-Setting Method
Projection/trend analysis
Number of new symptomatic hepatitis A cases reported in the past 12 months
Total population in reporting states
Data Collection Frequency
Comparable Healthy People 2010 Objective
Retained from HP2010 objective
Methodology Notes

A case definition for new symptomatic cases of hepatitis A is available from CDC.

To obtain state-specific measures for this measure, local Viral Hepatitis Surveillance Program data are used to determine the number of symptomatic hepatitis A cases occurring in the state in the past 12 months.


Additional resources about the objective.

  1. CDC. Prevention of hepatitis A through active or passive immunization: recommendations of the Advisory Committee on Immunization Practices (ACIP). MMWR 2006;55 (No. RR-7).
  2. Centers for Disease Control and Prevention (CDC). Case definitions for infectious conditions under public health surveillance.
  3. Daniels D, Grytdal S, Wasley A. Surveillance for acute viral hepatitis - United States, 2007. MMWR Surveillance Summary. May 22 2009;58(3):1-27.