Page ContentCDC CDC HAN00462: Recommendations for Adenovirus Testing and Reporting of Children with Acute Hepatitis of Unknown Etiology (published April 21, 2022) CDC HAN00465: Updated Recommendations for Adenovirus Testing and Reporting of Children with Acute Hepatitis of Unknown Etiology (published May 11, 2022) MMWR: Acute Hepatitis and Adenovirus Infection Among Children—Alabama, October 2021 – February 2022 (published May 6, 2022) CDC Media Telebriefing: Update on Acute Hepatitis of Unknown Cause (May 6, 2022) CDC Instructions for Adneovirus Diagnostic Testing, Typing and Submission (May 6, 2022)UK Health Security Agency Investigation into Acute Hepatitis of Unknown Aetiology in Children in England—Briefing 1 (published April 25, 2022) Investigation into Acute Hepatitis of Unknown Aetiology in Children in England—Briefing 2 (published May 6, 2022)Submission Guidance and Reference Methods CDC Guidance for Adenovirus Testing and Typing of Patients Under Investigation (published May 4, 2022) Adenovirus Test Methods and Reference Publications (updated May 11, 2022) It looks like your browser does not have JavaScript enabled. Please turn on JavaScript and try again.