title: In response to Silvestri.
authors.forename: Scott A
authors.initials: SA
authors.lastname: Flanders
authors.forename: Sanjay
authors.initials: S
authors.lastname: Saint
authors.forename: Harold R
authors.initials: HR
authors.lastname: Collard
mesh_terms: D019072:Antibiotic Prophylaxis / Q000379:methods*; D003428:Cross Infection / Q000517:prevention & control*; D041981:Gastrointestinal Tract / Q000187:drug effects / Q000382:microbiology; D006801:Humans; D053717:Pneumonia, Ventilator-Associated / Q000517:prevention & control*