Effectiveness of Heterologous COVID-19 Vaccine Booster in Korean Elderly Population, 2022.

Seon Kyeong Park,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

Journal of Korean medical science（2023）

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摘要

We conducted a cohort study to assess vaccine effectiveness (VE) of coronavirus disease 2019 vaccine combinations on severe acute respiratory syndrome coronavirus 2 critical infection and death among elderly population in Korea. From January 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%.

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korean elderly population,booster

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