Lower risk of hospitalization from Omicron, booster efficacy reduced after 10 weeks - UK
The data suggested the extra protection started to wane more rapidly against Omicron than Delta, being about 15-25% lower from 10 weeks after the booster dose.
Syringes with needles are seen in front of a displayed stock graph and words "Omicron SARS-CoV-2" in this illustration taken, November 27, 2021.(photo credit: REUTERS/DADO RUVIC/ILLUSTRATION/FILE PHOTO)ByREUTERSUpdated: