Trials of new Covid vaccine raise hopes of once-a-year booster

Trials of new Covid vaccine raise hopes of once-a-year booster Moderna shot is said to produce eightfold increase in antibody levels against Omicron in first four weeks the Guardian

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“The data we show today are really important because we get a really strong antibody response against Omicron,” he said. “For the first time, we could really be looking at the potential for just once-yearly boosting, because we can get people to such a high level that they will take longer to decay.”...