Comparative Effectiveness of COVID-19 Bivalent Versus Monovalent mRNA Vaccines in the Early Stage of Bivalent Vaccination in Korea: October 2022 to January 2023.
Ryu Kyung KimYoung June ChoeEun Jung JangChungman ChaeJi Hae HwangKil Hun LeeJi Ae ShimGeun-Yong KwonJae Young LeeYoung Joon ParkSang-Won LeeDonghyok KwonPublished in: Journal of Korean medical science (2023)
The bivalent booster dose provided additional protection against SARS-CoV-2 infections, critical infections, and deaths during the omicron variant phase of the COVID-19 pandemic.