Pfizer vaccine s second dose boosts protection dramatically
New study and other data suggest older people should not rely on a single dose alone for protection
25 February 2021 • 12:01am
The Pfizer vaccine provides strong protection against Covid symptoms and severe disease after two doses but markedly lower protection after a single dose, the first large-scale peer-reviewed study of the real-world effectiveness of the vaccine has found.
Separate survey data published by the Department of Health and Social Care (DHSC) found that for those over 80 who had received just a single dose of the Pfizer vaccine blood antibodies were relatively low at 34.7 per cent.
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Pfizer COVID vaccine found 94% effective in real-world study
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Covid vaccine live updates as study finds 1 in 7 has antibodies to fight virus
The latest Covid-19 news as research shows 13 per cent of the population has antibodies for coronavirus
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One person in seven has the antibodies required to fight coronavirus according to new research.
Researchers at Imperial College London have discovered that 13.9 per cent of the British population has the antibodies required to fight coronavirus, adding to the populations immunity to the virus as the vaccine roll out continues.
Blood tests on more than 154,000 people across England revealed the new figures, which showed that between January 26 and February 8 - just past the peak of the second wave - that one in seven had antibodies.