Moderna says its COVID-19 booster appears effective against Omicron Moderna says its COVID-19 booster appears effective against Omicron
TUESDAY, DECEMBER 21, 2021
The currently authorized 50-microgram booster of Modernas COVID-19 vaccine mRNA-1273 increased neutralizing antibody levels against Omicron about 37-fold compared to pre-boost levels, and a 100-microgram booster dose increased neutralizing antibody levels about 83-fold, said the company.