U.S. Department of Health and Human Services: References & Edit History

Article Contributors

Primary Contributors

  • Tracy Grant
    Tracy Grant is a senior editor at Encyclopaedia Britannica. She previously served as editor in chief, the first woman to hold that title. 
  • Mindy Johnston
    Mindy Spitzer Johnston is Managing Editor at Encyclopædia Britannica. 

Other Encyclopedia Britannica Contributors

Article History

Type Description Contributor Date
Added department seal. Sep 16, 2026
Article thoroughly revised and updated. Sep 11, 2026
Corrected display issue. Sep 11, 2026
Article updated. May 07, 2025
Corrected display issue. Mar 20, 2023
Add new Web site: National Centre for Biotechnology Information - HHS in the 21st Century: Charting a New Course for a Healthier America. Feb 28, 2023
Replaced photograph. Jun 04, 2020
Added photograph. Nov 11, 2010
New article added. Apr 15, 2009
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