In a study published in The New England Journal of Medicine, researchers at the University of North Carolina’s Gillings School of Global Public Health found that bivalent boosters are more effective than original monovalent boosters at preventing COVID-19-related hospitalization and death.
“We were able to evaluate not only the effectiveness of the two bivalent booters but also compare their effectiveness to that of monovalent boosters.” [source]
Learn more about the research and findings here.