Moderna hopes to offer updated COVID-19 boosters in the fall that combine its original vaccine with protection against the omicron variant. On Tuesday, it reported a preliminary hint that such an approach might work.
Today’s COVID-19 vaccines all are based on the original version of the coronavirus. But the virus continues to mutate, with the super-contagious omicron variant — and its siblings — the latest threat.
Before omicron came along, Moderna was studying a combination shot that added protection against an earlier variant named beta. Tuesday, the company said people given that beta-original vaccine combination produced more antibodies capable of fighting several variants — including omicron — than today’s regular booster triggers.
While the antibody increase was modest, Moderna’s goal is to produce a combination shot that specifically targets omicron. “These results really give us hope” that next step will work even better, said Dr. Jacqueline Miller, a Moderna vice president.
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