| COVID-19 | Coronavirus disease 2019 |
| SARS-CoV-2 | Acute respiratory syndrome coronavirus 2 |
| WHO | World Health Organization |
| CLD | Chronic liver diseases |
| CDC | The Centers for Disease and Control |
| VH | Vaccine hesitancy |
| RMSR | Root mean square residual |
| GFI | The goodness of fit index |
| CFI | Comparative fit index |
| RMSEA | Root mean square error of approximation |
| VIF | Variance inflation factor |
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