Spectrum and Incidence of Adverse Reactions Post Immunization in the Taiwanese Population (2014-2019): An Analysis Using the National Vaccine Injury Compensation Program.

: Post-marketing surveillance is crucial for gathering data on vaccine reactogenicity, enhancing public trust in immunization, and promoting vaccine uptake. This study aims to characterize adverse events following immunization (AEFIs) and estimate the incidence rates of adverse reactions (ARs) associated with vaccines included in Taiwan's Expanded Program on Immunization (EPI). This study utilizes data from Taiwan's Vaccine Injury Compensation Program (VICP).