National Institute of Allergy and Infectious Diseases
The National Institute of Allergy and Infectious Diseases ( NIAID , sometimes pronounced "NYE-ad" ) is one of the 27 institutes and centers that make up the National Institutes of Health ( NIH ) , an agency of the United States Department of Health and Human Services ( HHS ) . 
<triplet> National Institute of Allergy and Infectious Diseases <subj> National Institutes of Health <obj> part of <triplet> National Institutes of Health <subj> National Institute of Allergy and Infectious Diseases <obj> subsidiary <subj> United States Department of Health and Human Services <obj> parent organization <triplet> United States Department of Health and Human Services <subj> National Institutes of Health <obj> subsidiary