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CR de Andrade, SS da Cunha, CG Alvim, MJ Fontes, R Bedran, HA Binato and P Camargos
Abstract
Single BCG vaccination has been considered as a protective factor against asthma. However the effect of a second dose of BCG on the prevalence rate of asthma and asthma-allergic rhinitis-eczema comorbidity has not been studied exclusively among adolescents. In this ISAAC protocol-based cross sectional study we assessed the association between one single versus two doses of BCG among 2213 individuals aged 13-14 years old. We found no association between BCG revaccination and asthma, associated (OR = 0.68, 95% CI, 0.37-1.25) or not to allergic rhinitis and/or atopic eczema (OR = 1.07, 95% CI, 0.84-1.36).
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Concepts
Rhinitis, Medical statistics, Allergen, Immune system, Eczema, Atopy, Asthma, Allergy
MeSH headings
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