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Association between climate factors, pollen counts, and childhood hay fever prevalence in the United States  Jonathan I. Silverberg, MD, PhD, MPH, Marc.

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Presentation on theme: "Association between climate factors, pollen counts, and childhood hay fever prevalence in the United States  Jonathan I. Silverberg, MD, PhD, MPH, Marc."— Presentation transcript:

1 Association between climate factors, pollen counts, and childhood hay fever prevalence in the United States  Jonathan I. Silverberg, MD, PhD, MPH, Marc Braunstein, MD, Mary Lee-Wong, MD  Journal of Allergy and Clinical Immunology  Volume 135, Issue 2, Pages e5 (February 2015) DOI: /j.jaci Copyright © 2014 American Academy of Allergy, Asthma & Immunology Terms and Conditions

2 Fig 1 The distribution of childhood HF and associated climate variables in the United States. A, HF prevalence (%). B, Mean annual outdoor relative humidity (%). C, Mean annual PHDI. D, Mean annual outdoor temperature (°F). E, Mean annual precipitation (in). F, Issued UV index that accounts for the effects of cloud cover per state. G, Mean annual total pollen counts where available are divided into tertiles and color-coded: tertile 1, blue; tertile 2, green; tertile 3, red. Journal of Allergy and Clinical Immunology  , e5DOI: ( /j.jaci ) Copyright © 2014 American Academy of Allergy, Asthma & Immunology Terms and Conditions


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