Comparing the Effectiveness of Bivalent and Monovalent COVID-19 Vaccines against COVID-19 Infection during the Winter Season of 2022-2023: A Real-World Retrospective Observational Matched Cohort Study in the Republic of Korea
Description
CONCLUSION: Bivalent COVID-19 vaccines showed significantly better protection against infection than monovalent vaccines among adults during the 2022‒2023 winter season. Our results highlight that immunization programs with bivalent vaccines
