A systematic review and meta-analysis on the effectiveness of bivalent mRNA booster vaccines against Omicron variants

S Song, ZJ Madewell, M Liu, Y Miao, S Xiang, Y Huo… - Vaccine, 2024 - Elsevier
Background A global shift to bivalent mRNA vaccines is ongoing to counterbalance the
diminishing effectiveness of the original monovalent vaccines due to the evolution of SARS …

Relative effectiveness of bivalent COVID-19 vaccine: a systematic review and meta-analysis

M Cheng, R Li, Z Weng, G Song - Frontiers in Medicine, 2024 - frontiersin.org
Objective The rapid development of COVID-19 bivalent vaccines (BVs) has encompassed
both the original virus strains and the variant strain. However, the effectiveness of BVs is …