cdc.gov changelog
- Managed by: Department of Health and Human Services
- Updated: 5/2/2026 · Request update
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Changelog
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5/31/2026
- accessibility : Grade: C → B / Score: 77% → 89% (25 of 28 elements)
- usability : Grade: B → C / Score: 80% → 76% (13 of 17 elements)
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5/2/2026
- Usability : Grade: F → D / Score: 0% → 67% (2 of 3 elements)
- Security : Grade: F → A / Score: 33% → 100% (3 of 3 elements)
- Usability : Grade: F → F / Score: 0% → 43% (3 of 7 elements)
- Botability : Grade: F → B / Score: 29% → 86% (6 of 7 elements)
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8/14/2025
- social : Grade: F → F / Score: 42% → 57% (4 of 7 elements)
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2/13/2025
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1/20/2025
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10/14/2024