This new vaccine combines Moderna's original shot with protection against the omicron variant. It gave an eight-fold increase in antibodies, a preliminary study found.
vaccine that combines its original shot with protection against the omicron variant appears to work, the company announced Wednesday.
Today’s COVID-19 vaccines all are based on the original version of the coronavirus. They’re still providing strong protection against severe disease, hospitalization and death even after the appearance of the super-contagious omicron variant ― especially if people have had a booster dose. Key questions: How to make that change without losing the continued strong protection against COVID-19’s worst outcomes? And what’s the right variant to target? After the huge winter omicron surge, that mutant’s genetically distinct siblings now are the main threats, including one that’s fueling the current U.S. wave of infections.
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