# Progress

Last visited: 2026-06-26T17:40:30Z

- [x] Create ORIGINAL_REQUEST.md
- [x] Create BRIEFING.md
- [x] Investigate codebase (adaptive_vaccine.py and test_adaptive_vaccine.py)
- [x] Build and run test suite
- [x] Stress-test the implementation
- [x] Write handoff report
