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National Center for Immunization and Respiratory Diseases (NCIRD)

Children with Acute Hepatitis of Unknown Cause

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About the Investigation
General Overview
About the Current Investigation
What Parents Should Know
Information for Concerned Parents
Investigation Updates

Information about the number of persons under investigation for hepatitis of unknown etiology.

For Clinicians & Public Health Professionals
Technical Report
Detailed Technical Information of the Investigation
Clinical Guidance
Testing and Typing Patients
Laboratory Instructions
Diagnostic Testing, Typing, & Submission
CDC Health Alert Network
  • Children with Acute Hepatitis of Unknown Etiology
  • Updated Recommendations for Adenovirus Testing and Reporting of Children with Acute Hepatitis of Unknown Etiology
Media & Press Releases

Visit the CDC Newsroom for the latest media & press releases.

Last Reviewed: June 8, 2022
Source: National Center for Immunization and Respiratory Diseases
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