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About
Balls moving upwards are queries (requests for vaccine history). Balls moving downwards are updates (administered vaccines).
The colors are based on the associated states with lighter balls being queries and darker balls being updates. The
towers show the traffic level at each state registry.
Traffic colors:
- light traffic
- medium traffic
- busier
- very busy
Tip: to view on phone, rotate phone sidways and hit the fullscreen icon.