Boosters of the original still protect against omicron.
release of data
showing that the two-dose series of Moderna’s original vaccine struggled to block the omicron variant of the virus, which has mutations that help it dodge those antibodies. A booster shot restored much of its ability to neutralize the virus — and while that protection weakened over time, it still stuck around for at least six months.that the omicron variant is enough of a threat that the company plans to move forward with the variant booster.
The company is testing its omicron booster in one group of people who received a two-dose series of the original vaccine only and a second group who had a two-dose series and booster of the original vaccine. There will be around 300 participants in each group.
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