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J&J Says Booster Shot Can Increase Protection Against Covid

J&J Says Booster Shot Can Increase Protection Against Covid

Johnson & Johnson says new data with a small group shows that its single-shot vaccine holds up for eight months, but an added booster shot increased antibody protection by nine times.  » Subscribe to NBC News: http://nbcnews.to/SubscribeToNBC » Watch more NBC video: http://bit.ly/MoreNBCNews NBC News Digital is a collection of innovative and powerful news brands that deliver compelling, diverse and …

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