It should be appreciated that the studies reviewed here could
potentially underestimate or overestimate the real-world bene
fits of environmental disinfection interventions. On one hand, envi-
ronmental disinfection is often included as one component of
multifaceted infection control interventions. Many such successful
interventions are not included in this review because the contri-
bution of environmental disinfection to the overall success of the
programs is uncertain.26-30 On the other hand, the published liter-
ature might provide an overly optimistic assessment of the impact
ofenvironmentaldisinfectioninterventions.Manyinstitutionshave
implemented environmental disinfection interventions without