| Value | Category | Cases | |
|---|---|---|---|
| 0 | Applied neither | 2286 |
89.4%
|
| 1 | Applied vaccine | 218 |
8.5%
|
| 2 | Applied medication | 33 |
1.3%
|
| 3 | Applied both | 20 |
0.8%
|
| Sysmiss | 468 |