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Published on: July 4, 2014
House dust mites in Williamsburg, Virginia
1Department of Biology, College of William and Mary, Williamsburg, VA 23185.
Abstract:
House dust allergy is a common medical ailment. It has been well established that mites of the genus Dermatophagoides (house dust mites) are an important source of allergens and that mite counts greater than 300 per gram of dust are associated with symptoms of asthma. A survey of 22 houses in Williamsburg, Virginia, during the month of August revealed that all had mite populations exceeding this number. This may explain in part the high incidence of allergy in the Williamsburg area.
Insights
House dust mites are a common cause of allergies and asthma triggers. A study in Williamsburg, Virginia, found high mite levels in homes, potentially explaining the area's allergy prevalence.
Area of Science:
- Environmental Science
- Allergology
- Epidemiology
Background:
- House dust allergy is a prevalent medical condition.
- House dust mites (Dermatophagoides spp.) are significant allergen sources.
- Elevated mite counts (>300/gram of dust) correlate with asthma symptoms.
Purpose of the Study:
- To assess house dust mite populations in Williamsburg, Virginia.
- To investigate the potential link between mite levels and local allergy incidence.
Main Methods:
- A survey was conducted in 22 houses in Williamsburg, Virginia.
- House dust samples were collected and analyzed for mite populations.
Main Results:
- All 22 surveyed houses exceeded the threshold of 300 mites per gram of dust.
- High mite populations were consistently found across sampled residences.
Conclusions:
- The study indicates a high prevalence of house dust mites in Williamsburg homes.
- Elevated mite levels may contribute to the observed high incidence of allergies in the area.

