Is infant immunization a risk factor for childhood asthma or allergy?

“The authors shows a correlation between the diphtheria/pertussis/tetanus (DPT) and polio immunizations and asthma episodes, asthma consultations, and consultations for other allergic illness. These findings do not appear to be due to differential use of health services (although this possibility cannot be excluded) or confounding by ethnicity, socioeconomic status, parental atopy, or parental smoking.”

PubMed – Epidemiology.

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