Effectiveness of Heterologous COVID-19 Vaccine Booster in Korean Elderly Population, 2022
10.3346/jkms.2023.38.e143
- Author:
Seon Kyeong PARK
1
;
Young June CHOE
;
Eun Jung JANG
;
Ryu Kyung KIM
;
Sang-Won LEE
;
Geun-Yong KWON
;
Jeeyeon SHIN
;
Sang-Yoon CHOI
;
Mi Jin JEONG
;
Young-Joon PARK
Author Information
1. Korea Disease Control and Prevention Agency, Cheongju, Korea
- Publication Type:Brief Communication
- From:Journal of Korean Medical Science
2023;38(19):e143-
- CountryRepublic of Korea
- Language:English
-
Abstract:
We conducted a cohort study to assess vaccine effectiveness (VE) of coronavirus disease 2019 vaccine combinations on severe acute respirator y syndrome coronavirus 2 critical infection and death among elderly population in Korea. From Januar y to August 2022, VE against death for 4 doses mRNA recipients was 96.1%, whereas 1-dose viral vector + 3-dose mRNA recipients had VE of 90.8%.