Marburg virus
In the United States , the NIH/National Institute of Allergy and Infectious Diseases ranks it as a Category A Priority Pathogen and the Centers for Disease Control and Prevention lists it as a Category A Bioterrorism Agent . 
<triplet> NIH <subj> National Institute of Allergy and Infectious Diseases <obj> subsidiary <triplet> National Institute of Allergy and Infectious Diseases <subj> NIH <obj> part of