| Type of vaccine | Frequency | Percentage |
| No-Vaccination | 186 | 61.8 |
| Sinovac | 11 | 3.7 |
| Sinofarm | 33 | 11.0 |
| Sputnik | 20 | 6.6 |
| AstraZeneca | 37 | 12.3 |
| other | 14 | 4.7 |
| Total | 301 | 100.0 |