Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleEnvironment or Host?AuthorsAshworth Dirac, M.; Horan, Kathleen L.; Doody, David R.; Meschke, J. Scott; Park, David R.; Jackson, Lisa A.; Weiss, Noel S.; Winthrop, Kevin L.; Cangelosi, Gerard A.PublicationAmerican Journal of Respiratory & Critical Care Medicine, 2012, Vol 186, Issue 7, p684ISSN1073-449XPublication typeArticleDOI10.1164/rccm.201205-0825OC