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Nearly half of CDC’s critical public health databases stopped updating in 2025 due to leadership and staff changes, weakening outbreak response.
Nearly half of the CDC’s key public health databases, especially those tracking vaccinations and respiratory illnesses, stopped updating by October 2025, according to a study published in Annals of Internal Medicine.
Of 82 monthly-updated databases, 38 ceased receiving new data, with 34 inactive for at least six months.
The pauses began in March and April 2025, coinciding with leadership changes and staff reductions at the CDC.
Experts warn the data gaps weaken outbreak detection, undermine public trust, and hinder effective public health responses, despite CDC claims that changes were routine.
Only one database resumed updates by December 2025.
Casi la mitad de las bases de datos críticas de salud pública de los CDC dejaron de actualizarse en 2025 debido a los cambios de liderazgo y personal, lo que debilitó la respuesta al brote.