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Protection against Covid starts to reduce within six months of people being fully vaccinated with the Pfizer or Astrazenica vaccines according to the latest research.
Scientists working on the Zoe Covid Study say the findings suggest that booster vaccines will be needed to ensure protection for many vulnerable people.
Reeta Chakrabarti presents BBC News at Ten reporting by health correspondent Sophie Hutchinson.
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Scientists working on the Zoe Covid Study say the findings suggest that booster vaccines will be needed to ensure protection for many vulnerable people.
Reeta Chakrabarti presents BBC News at Ten reporting by health correspondent Sophie Hutchinson.
Please subscribe HERE http://bit.ly/1rbfUog
#BBCNews
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