| ACIP | Committee on Immunization Practices |
| CDC | Centers for Disease Control and Prevention |
| COVID-19 | Coronavirus Disease 2019 |
| SAR | Saudi Arabian Riyal |
| SD | Standard Deviation |
| SIVs | Seasonal Influenza Vaccines |
| STROBE | Strengthening the Reporting of Observational Studies in Epidemiology |
| US | United States |
| WHO | World Health Organization |
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