SARS-CoV-2 infection and vaccine effectiveness in England (REACT-1): a series of cross-sectional random community surveys.

However, differences in vaccine effectiveness estimates by vaccine type did not reach statistical significance at a 0·05 significance level.

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However, in double-vaccinated participants, there was an apparent trend of increasing weighted prevalence in each age group for those who had received their second dose 3–6 months before their swab compared to those who were vaccinated up to 3 months before ( figure 2C ).

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