'Significant increase' in protection vs Omicron from mRNA boosters, study says
The study confirms the findings of a recent British study, which also showed a rapid decline in protection against Omicron over time.
A photo illustration showing ampoules of Covid-19 vaccine for children at a Clallit vaccine center in Jerusalem on November 28, 2021.(photo credit: OLIVIER FITOUSSI/FLASH90)ByREUTERS