@MISC{Perl_a17-month, author = {Trish M. Perl}, title = {A 17-MONTH EVALUATION OF A CHLORINE DIOXIDE WATER TREATMENT SYSTEM TO CONTROL LEGIONELLA SPECIES IN A HOSPITAL WATER SUPPLY}, year = {} }
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Abstract
Legionella species remain an important cause of nosocomial pneumonia. The true incidence of nosocomial infections is not known; however, some series have demonstrated that Legionella species can account for up to 30 % of nosocomial pneumonias.1,2 Despite increased awareness of and advances in the treatment of these infec-tions, the mortality rate for nosocomial Legionella pneu-monia remains in the range of 35 % to 40%.3,4 Furthermore, cases of nosocomial legionnaires ’ disease can be a source of negative publicity and litigation for hospitals because these infections are generally believed to be preventable. Because the natural habitat of these organisms is water, they are widespread in institutional water systems. Culture surveys of various hospitals have found that up to 70 % of hospital water supplies in some areas are contami-