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Health Agencies Update
August 25, 2004

Pet Allergens in Homes

JAMA. 2004;292(8):916. doi:10.1001/jama.292.8.916-c

A new study indicates that detectable levels of dog and cat allergens—in amounts sufficient to increase the risk of allergic sensitization—are present in all US homes, including those without pets.

Scientists at organizations including the National Institute of Environmental Health Sciences, in Research Triangle Park, NC, found considerably higher levels of allergens in homes with an indoor dog or cat. But levels that could increase the risk of allergic sensitization were also found in homes without these animals (J Allergy Clin Immunol. 2004;114:111-117).