Omicron specific booster no better than standard Moderna booster when tested on macaque monkeys

“Omicron boost may not provide greater immunity or protection compared to a boost with the current mRNA-1273 vaccine”

A study in monkeys showed an omicron-specific booster was not significantly different from Moderna’s conventional booster....More...

Israel: Fourth dose of vaccine gives limited protection against Omicron infection

Preliminary results from the study conducted at Sheba Medical Center showed that after receiving the fourth shot, participants developed higher coronavirus antibody levels, but they were only partly effective in preventing Omicron infections....More...