TYPEAB
| Date | Clue |
|---|---|
| 2026-01-04 | Classification that anyone can donate to |
| 2024-06-04 | Like about 4% of human blood |
| 2021-03-21 | Like universal blood recipients |
| 2020-05-21 | Alternative to O |
| 2019-09-03 | Universal recipient's category |
| 2019-07-31 | Like universal recipients |
| 2014-06-15 | Like a universal recipient |
| 2013-05-05 | Universal recipient designation |
| 2012-10-25 | Category at some banks |
| 2003-04-11 | Blood designation |
| 2000-07-27 | Rare blood designation |