Moderna hopes to offer updated COVID-19 boosters in the fall that combine the original vaccine with protection against the latest variant. On Tuesday, it hinted that such an approach might work.
Before the omicron variant struck, Moderna began testing a shot combining the original vaccine with protection against an earlier variant named beta. The company says people given that test combo shot developed more antibodies capable of fighting newer variants — including omicron — than today's regular booster.
Studies are underway to see if a combination shot that adds omicron-specific protection works better.
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