After adjusting for maternal allergy, environmental exposure, diet, frequency of viral respiratory infections, household income, parental education, and co-habitation with a smoker as factors, the percent of CD4+CD25+FOXP3+T cells in the PPG-stimulated cord blood samples was found to negatively correlate with allergy status, allergic rhinitis, and allergic eczema in children, yet not with wheezing (Table 6). Here, FOXP3 is linked to Allergy.