The Reporting Adverse Events Following COVID - 19 Vaccination in The Area of Uthumphonphisai Hospital, Uthumphonphisai District, Sisaset Province

Abstract

The objective of this study is to monitor the adverse events following immunization (AEFI) of
the COVID-19 vaccine recipients at Uthumphonphisai Hospital, Uthumphonphisai District, Sisaset
Province. The sample group that involved 312 cases of this study included the vaccine recipients
who experienced the adverse events after receiving the COVID-19 vaccine within 30 days, i.e.,
between April 21, 2021 - January 31, 2022. The sample group was collected using a specific sample
selection method. The COVID-19 vaccination information of the vaccine recipients was collected
from the Primary Data obtained from the COVID-19 vaccination adverse reactions assessment form of
the Ministry of Public Health together with the Secondary Data from the AEFI DDC system which is
the information system within the hospital. The statistics used to analyze the data consist of the
range, the frequency, the percentage, the mean, and the standard deviation. The results of the study revealed that the most reported adverse events after vaccination against COVID-19 (AEFI) included
the female recipients (78.20%), the most occupation recipients is the civil service/state enterprise
recipients (48.10%), the recipients without a drug allergy or co-morbidity records (85.60% and 77.60%,
respectively), the recipients who received Sinovac vaccine (66.00%), the recipients who received dose
1 (76.90%), the recipients who reported AEFI within 1 day (47.40%), the recipients who were
recovered spontaneously without treatment (40.70%), the recipients who had mild symptoms
(90.70%), and the recipients who were fully recovered (91.30%). Therefore, the public should be
informed concerning the efficacy and the safety of the COVID-19 vaccines, and should also be
encouraged to receive the COVID-19 vaccination.