Koritala, ThoyajaHussain, AkbarPleshkova, YelenaDondapati, LavanyaTirupathi, RaghavendraRabaan, Ali A.Al Mutair, AbbasAlhumaid, SaadAl-Tawfiq, Jaffar A.Kashyap, Rahul2023-05-102023-05-102021-09-10Koritala T, Hussain A, Pleshkova Y, et al. A narrative review of emergency use authorization versus full FDA approval and its effect on COVID-19 vaccination hesitancy. Infez Med. 2021;29(3):339-344. Published 2021 Sep 10. doi:10.53854/liim-2903-4https://hdl.handle.net/1805/32890COVID-19 pandemic affected the lives of many with its devastating mortality and morbidity. Acquisition of herd immunity is one way to mitigate the spread of infection. Many factors influence the acceptance of vaccination including the regulatory process of the vaccines. This review article will briefly summarize the Emergency Use Authorization, Full FDA Approval process and highlight how the key factors affecting the vaccination hesitancy, are being influenced by the lack of Full FDA Approval.en-USPublisher PolicyCOVID-19Emergency use authorizationFull FDA approvalHerd immunityVaccine resistanceArticle