What is the prevalence of mold allergies in the US?

Updated: Dec 02, 2020
  • Author: Shih-Wen Huang, MD; Chief Editor: Harumi Jyonouchi, MD  more...
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Depending on patients' geographic locations, their mold allergies can be seasonal (most often fall) or perennial. Perennial mold allergies are prevalent in humid and warm climates secondary to persistent presence of molds in indoor environments. Among preschool aged children living in the southern United States with documented reactivity to indoor allergens, 80% had reactivity to mold spores, house dust mites, or both. No data are available for the prevalence of the 5 other clinical disorders listed in Pathophysiology section. EAA is considered to be more prevalent among workers whose occupations predispose them to repeated exposure to causative reagents.

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