Durability of bivalent boosters against Omicron subvariants
(CHAPEL HILL, N.C., April 13, 2023) New research led by the UNC Gillings School of Global Public Health shows that bivalent COVID-19 boosters are still providing effective protection from hospitalization and death, even against the most recent omicron subvariants.
Published this week in the New England Journal of Medicine (NEJM), researchers found that the bivalent boosters were 67% effective in preventing hospitalization and death in those who had been previously vaccinated or boosted. Effectiveness waned to 48% after four weeks, 44% after 10 weeks and 38% after 20 weeks.
Though ...













