| Value | Category | Cases | |
|---|---|---|---|
| 0 | Applied neither | 2455 |
99.2%
|
| 1 | Applied vaccine | 18 |
0.7%
|
| 2 | Applied medication | 1 |
0%
|
| 3 | Applied both | 1 |
0%
|
| Sysmiss | 550 |