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KMID : 0191120230380190143
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Journal of Korean Medical Science
2023 Volume.38 No. 19 p.143 ~ p.143
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Effectiveness of Heterologous COVID-19 Vaccine Booster in Korean Elderly Population, 2022
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Park Seon-Kyeong
Choe Young-June
Jang Eun-Jung
Kim Ryu-Kyung
Lee Sang-Won
Kwon Geun-Yong
Shin Jee-Yeon
Choi Sang-Yoon
Jeong Mi-Jin
Park Young-Joon
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Abstract
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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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KEYWORD
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COVID-19, SARS-CoV-2, Coronavirus, Elderly
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