bundles of care: Ventilator-associated pneumonia-prevention strategies have recently been grouped together into care bundles with hopes that routine, co-ordinated practice of a select number of interventions in concert will result in better outcomes than any intervention in isolation. Improvements in Ventilator-associated pneumonia rates have been reported by several authors through the use of bundles that include measures such as head of bed elevation, oral cleansing with chlorhexidine, sedation holidays, weaning protocols, and care provider education. However, it has yet to be clearly shown which interventions are most crucial to include in such bundles and precisely how to go about implementation so has to improve clinical outcomes. There are no well-designed, controlled trials addressing this question to date.