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Jacobs J Allergy Immunol. 2015 Jan 23;1(2):1-6.

Dust Allergens within Rural Northern Rocky Mountain Residences.

Author information

1
Center for Environmental Health Sciences, University of Montana, Missoula, Montana, USA.
2
Western Montana Clinic, Missoula, Montana, USA.

Abstract

To date, few studies have characterized allergens within residences located in rural areas of the northern Rocky Mountain region. In this study, we collected dust samples from 57 homes located throughout western Montana and northern Idaho. Dust samples were collected and later analyzed for dust mite allergens Der f 1 and Der p 1, Group 2 mite allergens (Der p 2 and Der f 2), domestic feline (Fel d 1), and canine (Can f 1). Indoor temperature and humidity levels were also measured during the sampling program, as were basic characteristics of each home. Dog (96%) and cat (82%) allergens were the most prevalent allergens found in these homes (even when a feline or canine did not reside in the home). Results also revealed the presence of dust mites. Seven percent (7%) of homes tested positive for Der p 1, 19% of homes were positive for Der f 1, and 5% of homes were positive for the Group 2 mite allergens. Indoor relative humidity averaged 27.0 ± 7.6% within the homes. Overall, humidity was not significantly associated with dust mite presence, nor was any of the other measured home characteristics. This study provides a descriptive assessment of indoor allergen presence (including dust mites) in rural areas of the northern Rocky Mountains, and provides new information to assist regional patients with reducing allergen exposure using in-home intervention strategies.

KEYWORDS:

Cat Allergens; Dog Allergens; Dust Mites; Indoor Allergens; Residential

PMID:
25859563
PMCID:
PMC4387573

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