5 Key Takeaways

• 1

  Thirty-eight of 82 CDC databases had unexplained reporting lapses by October 2025, with only one resuming updates by December.

• 2

  Vaccination surveillance was significantly affected, with 87% of paused databases focusing on vaccination-related topics.

• 3

  The most impacted topics included influenza, COVID-19, and respiratory syncytial virus, with several databases covering multiple diseases.

• 4

  Unexplained pauses in data updates undermine evidence-based medicine and public trust, especially during critical health periods.

• 5

  The study calls for minimum transparency standards for federal databases, including clear update statuses and rationales for pauses.