Is high prevalence of vitamin D deficiency evidence for asthma and allergy risks?

http://www.mattioli1885.com/onlinejournals/index.php/EurAnnAllergy/article/viewFile/857/600

Eur Ann Allergy Clin Immunol. 2011 Jun;43(3):81-8, Ehlayel MS, Bener A, Sabbah A, Section of Pediatric Allergy-Immunology, Dept of Pediatrics, Hamad Medical Corp, Qatar

“Serum vitamin D levels were lower in asthmatic than control. Vitamin D deficiency was higher among children with asthma, allergic rhinitis, atopic dermatitis, acute urticaria, and food allergy. In addition, vitamin D deficiency was associated with IgE atopy markers in asthmatic children more than controls.”