Although individual comorbidities did not reach statistical significance due to limited sample sizes, the consistent trend of positive point estimates across all conditions suggests a broader pattern.
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Determinants of antibody levels and protection against omicron BQ.1/XBB breakthrough infection.
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The sentences
Among individual comorbidity groups, cardiovascular diseases showed a significant positive association, while neurological and mental health conditions were close to significance (Supplementary Data 1 ).