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Related Experiment Video

Updated: Jul 12, 2026

Microbial Control and Monitoring Strategies for Cleanroom Environments and Cellular Therapies

Microbial Control and Monitoring Strategies for Cleanroom Environments and Cellular Therapies

Published on: March 17, 2023

Methods and effectiveness of indoor environmental control.

P A Eggleston¹

¹Johns Hopkins Hospital, Baltimore, Maryland 21287, USA. pegglest@jhmi.edu

Annals of Allergy, Asthma & Immunology : Official Publication of the American College of Allergy, Asthma, & Immunology

|January 5, 2002

Summary

Reducing indoor allergen exposure through allergen-proof encasings and frequent bedding washing significantly improves asthma control. Other methods like pet removal and pest control are also recommended for allergic airway disease management.

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Area of Science:

Environmental Health
Allergy and Immunology
Clinical Medicine

Background:

Indoor allergens are significant triggers for allergic airway diseases.
Effective environmental control strategies are crucial for managing patient symptoms.

Purpose of the Study:

To review and recommend methods for reducing indoor allergen exposure.
To identify evidence-based strategies for allergen mitigation in allergic airway disease.

Main Methods:

Systematic review of published studies and reviews.
Inclusion of controlled clinical trials measuring environmental allergens and clinical outcomes.
Analysis of studies with participants diagnosed with allergic airway disease.

Main Results:

Allergen-proof encasings and frequent bedding washing reduce house-dust mite exposure and improve asthma measures.
Pet removal and integrated pest management for cockroaches are effective allergen control strategies.
Air cleaners and temporary pet washing show limited impact on clinical symptoms.

Conclusions:

Recommend allergen-impermeable encasings and frequent bedding laundering for house-dust mite allergy.
Advise removing pets and controlling cockroach populations using integrated pest management principles.
Emphasize evidence-based environmental modifications for indoor allergen control.