COVID-19 vaccine safety monitoring in Republic of Korea from February 26, 2021 to October 31, 2021

Objectives This study aimed to present data on reported adverse events following coronavirus disease 2019 (COVID-19) vaccination in Republic of Korea from February 26 to October 31, 2021, and to determine whether any significant patterns emerged from an analysis of the characteristics of suspected a...

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Main Authors: Insob Hwang, Kyeongeun Park, Tae Eun Kim, Yunhyung Kwon, Yeon-Kyeng Lee
Format: Article
Language:English
Published: Korea Disease Control and Prevention Agency 2021-12-01
Series:Osong Public Health and Research Perspectives
Subjects:
Online Access:http://ophrp.org/upload/pdf/j-phrp-2021-0310.pdf
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author Insob Hwang
Kyeongeun Park
Tae Eun Kim
Yunhyung Kwon
Yeon-Kyeng Lee
author_facet Insob Hwang
Kyeongeun Park
Tae Eun Kim
Yunhyung Kwon
Yeon-Kyeng Lee
author_sort Insob Hwang
collection DOAJ
description Objectives This study aimed to present data on reported adverse events following coronavirus disease 2019 (COVID-19) vaccination in Republic of Korea from February 26 to October 31, 2021, and to determine whether any significant patterns emerged from an analysis of the characteristics of suspected adverse event cases for each type of vaccine. Methods Adverse events following COVID-19 vaccination reported by medical doctors and forensic pathologists were analyzed. Cases of suspected anaphylaxis were classified using the Brighton Collaboration definition. Results By October 31, 2021, a total of 353,535 (0.45%) adverse events were reported after 78,416,802 COVID-19 vaccine doses. Of the adverse events, 96.4% were non-serious and 3.6% were serious. The most frequently reported adverse events were headache, myalgia, and dizziness. Of the 835 reported deaths after COVID-19 vaccination, 2 vaccine-related deaths were confirmed. Suspected anaphylaxis was confirmed in 454 cases using the Brighton Collaboration definition. Conclusion The commonly reported symptoms were similar to those described in clinical trials. Most reported adverse events were non-serious, and the reporting rate of adverse events following COVID-19 vaccination was higher in women than in men (581 vs. 315 per 100,000 vaccinations). Confirmed anaphylaxis was reported in 5.8 cases per 1,000,000 vaccinations.
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spelling doaj.art-6968b2d74ee34853b3132a12b0d8c19a2023-09-02T15:20:43ZengKorea Disease Control and Prevention AgencyOsong Public Health and Research Perspectives2210-90992210-91102021-12-0112639640210.24171/j.phrp.2021.0310642COVID-19 vaccine safety monitoring in Republic of Korea from February 26, 2021 to October 31, 2021Insob Hwang0Kyeongeun Park1Tae Eun Kim2Yunhyung Kwon3Yeon-Kyeng Lee Adverse Event Management Team, Post-vaccination Management Group, COVID-19 Vaccination Task Force, Korea Disease Control and Prevention Agency, Cheongju, Korea Adverse Event Management Team, Post-vaccination Management Group, COVID-19 Vaccination Task Force, Korea Disease Control and Prevention Agency, Cheongju, Korea Adverse Event Management Team, Post-vaccination Management Group, COVID-19 Vaccination Task Force, Korea Disease Control and Prevention Agency, Cheongju, Korea Adverse Event Management Team, Post-vaccination Management Group, COVID-19 Vaccination Task Force, Korea Disease Control and Prevention Agency, Cheongju, KoreaObjectives This study aimed to present data on reported adverse events following coronavirus disease 2019 (COVID-19) vaccination in Republic of Korea from February 26 to October 31, 2021, and to determine whether any significant patterns emerged from an analysis of the characteristics of suspected adverse event cases for each type of vaccine. Methods Adverse events following COVID-19 vaccination reported by medical doctors and forensic pathologists were analyzed. Cases of suspected anaphylaxis were classified using the Brighton Collaboration definition. Results By October 31, 2021, a total of 353,535 (0.45%) adverse events were reported after 78,416,802 COVID-19 vaccine doses. Of the adverse events, 96.4% were non-serious and 3.6% were serious. The most frequently reported adverse events were headache, myalgia, and dizziness. Of the 835 reported deaths after COVID-19 vaccination, 2 vaccine-related deaths were confirmed. Suspected anaphylaxis was confirmed in 454 cases using the Brighton Collaboration definition. Conclusion The commonly reported symptoms were similar to those described in clinical trials. Most reported adverse events were non-serious, and the reporting rate of adverse events following COVID-19 vaccination was higher in women than in men (581 vs. 315 per 100,000 vaccinations). Confirmed anaphylaxis was reported in 5.8 cases per 1,000,000 vaccinations.http://ophrp.org/upload/pdf/j-phrp-2021-0310.pdfcovid-19safetyvaccines
spellingShingle Insob Hwang
Kyeongeun Park
Tae Eun Kim
Yunhyung Kwon
Yeon-Kyeng Lee
COVID-19 vaccine safety monitoring in Republic of Korea from February 26, 2021 to October 31, 2021
Osong Public Health and Research Perspectives
covid-19
safety
vaccines
title COVID-19 vaccine safety monitoring in Republic of Korea from February 26, 2021 to October 31, 2021
title_full COVID-19 vaccine safety monitoring in Republic of Korea from February 26, 2021 to October 31, 2021
title_fullStr COVID-19 vaccine safety monitoring in Republic of Korea from February 26, 2021 to October 31, 2021
title_full_unstemmed COVID-19 vaccine safety monitoring in Republic of Korea from February 26, 2021 to October 31, 2021
title_short COVID-19 vaccine safety monitoring in Republic of Korea from February 26, 2021 to October 31, 2021
title_sort covid 19 vaccine safety monitoring in republic of korea from february 26 2021 to october 31 2021
topic covid-19
safety
vaccines
url http://ophrp.org/upload/pdf/j-phrp-2021-0310.pdf
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