LEGIONELLA - World Health Organization

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LEGIONELLA AND THE PREVENTION OF LEGIONELLOSIS
References Abu KY, Eisenstein BI, Engleberg NC (1993). Phenotypic modulation by Legionella pneumophila upon infection of macrophages. Infection and Immunity, 61:1320–1329. Addiss DG et al. (1989). Community-acquired Legionnaires’ disease associated with a cooling tower: evidence for longer-distance transport of Legionella pneumophila. American Journal of Epidemiology, 130(3):557–568. Adeleke AA et al. (2001). Legionella drozanskii sp. nov., Legionella rowbothamii sp. nov. and Legionella fallonii sp. nov.: three unusual new Legionella species. International Journal of Systematic Evolutionary Microbiology, 51:1151–1160. Akbas E, Yu V (2001). Legionnaires’ disease and pneumonia: beware the temptation to underestimate this “exotic” cause of infection. Postgraduate Medicine, 109(5):135–147. Alary M, Joly JR (1991). Risk factors for contamination of domestic hot water systems for Legionella. Applied and Environmental Microbiology, 57:2360–2367. Albrechtsen HJ (2002). Microbiological investigations of rainwater and graywater collected for toilet flushing. Water Science and Technology, 46:311–316. Alim A, Hakgudener Y, Poyraz O (2002). Legionella pneumophila in thermal pools of hot springs in the central Anatolian district. Mikrobiyology Bulletin, 36:237–246. Allegheny County Health Department (1997). Approaches to prevention and control of Legionella infection in Allegheny County health care facilities. Pittsburgh, Philadelphia, Allegheny County Health Department. Allen KW, Prempeh H, Osman MS (1999). Legionella pneumonia from a novel industrial aerosol. Communicable Diseases in Public Health, 2(4):294–296. Allison DG (2003). The biofilm matrix. Biofouling, 19:139–150. Ambroise D, Hartemann P (in press). Influence de la variabilité de la mesure des bactéries dans l’air sur l’évaluation du risque infectieux (Influence of variability in measuring airborne bacteria during the evaluation the risk of infection.) International Journal for Hygiene and Environmental Health. Anaissie EJ, Penzak SR, Dignani MC (2002). The hospital water supply as a source of nosocomial infections: a plea for action. Archives of Internal Medicine, 162:1483–1492. Anand CM et al. (1983). Interaction of L. pneumophila and a free living amoeba (Acanthamoeba palestinensis). Journal of Hygiene (London), 91:167–178. Anon. (1987). Community-acquired pneumonia in adults in British hospitals in 1982–1983: a survey of aetiology, mortality, prognostic factors and outcome. The British Thoracic Society and the Public Health Laboratory Service. Quarterly Journal of Medicine, 62(239):195–220. LEGIONELLA AND THE PREVENTION OF LEGIONELLOSIS
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LEGIONELLA AND THE PREVENTION OF LE
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LEGIONELLA AND THE PREVENTION OF LE
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Foreword Legionellosis is a collect
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Contents Foreword . . . . . . . . .
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Chapter 5 Cooling towers and evapor
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Chapter 9 Disease surveillance and
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Tables Table 1.1 Main characteristi
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Figure 8.1 Visible biofilm on inter
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Acknowledgements The World Health O
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• John Newbold, Health and Safety
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Executive summary Legionellosis is
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• Health-care facilities — Chap
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Chapter 1 Legionellosis Britt Horne
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Legionnaires’ disease is often in
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1.1.2 Pontiac fever Symptoms Pontia
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Table . Extrapulmonary nfect ons ca
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Proteins produced by the body’s i
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Aspiration may occur in patients wi
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Table . R sk factors for Legionella
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In the outbreak of Legionnaires’
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Table . Potent al treatments for d
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1.4.2 Species and serogroups associ
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Other causes of infection In Europe
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The interaction of virulent legione
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1.5.2 Surface structures involved i
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1.5.4 Host defence The host defence
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Chapter 2 Ecology and environmental
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L. pneumophila is thermotolerant an
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2.2.3 Environmental factors and vir
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Figure 2.1 Biofilm formation Biofil
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2.4 Sources of Legionella infection
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Chapter 3 Approaches to risk manage
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Table . Cool ng tower outbreaks Fac
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Even when a source reaches a state
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The WSP should be prepared in conju
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Identify control measures Control m
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F gure . Dec mal reduct on t mes fo
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Method Advantages D sadvantages Dos
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Validate effectiveness of water saf
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• clear statements of responsibil
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Chapter 4 Potable water and in-buil
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The remainder of this chapter provi
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4.3.1 Document and describe the sys
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Construction materials — risk fac
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Where temperature controls (discuss
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4.4.2 Monitor control measures This
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Chapter 5 Cooling towers and evapor
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5.1.1 Cross-flow cooling towers As
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water treatments (including chemica
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5.3 System assessment This section
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Spray drift — risk factors Even w
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The section on control measures for
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• periodic or continuous bleed-of
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Box . Po nts to be noted when clean
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In certain circumstances, samples m
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Table . Example documentat on for m
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Chapter 6 Health-care facilities Ma
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For 1999 and 2000, a total of 384 c
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6.3 System assessment This section
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Table . Type of colon zat on of wat
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6.4.1 Identify control measures Thi
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6.5.1 Prepare management procedures
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Until the situation is under contro
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Chapter 7 Hotels and ships Roisin R
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F gure . Detected and reported case
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Table . Rev ew of outbreaks (more t
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7.2 Water safety plan overview WSPs
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The risk of legionellosis is increa
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Kingdom to 66% in Spain (Starlinger
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Agency, Legionella Section, United
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Given the complexity of distributio
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Chapter 8 Natural spas, hot tubs an
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Spas “Natural spa”, denotes fac
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Rare cases of Legionnaires’ disea
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Process step P pework Water n hot t
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Hosepipes may sometimes be used to
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Hot tubs that are not effectively d
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Nutrients — control measures Bath
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Various additives may also be used
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• descriptions of any significant
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Table . Examples of m crob olog cal
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Chapter 9 Disease surveillance and
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Exposure histories allow cases to b
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F gure . Invest gat ng a s ngle cas
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Box . (cont nued) Since the incepti
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Country United Kingdom All reported
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F gure . Annual reported cases, - 0
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Training opportunities Trainees in
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Box . Example of terms of reference
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ecause doing anything more could un
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9.4 Case studies This section descr
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9.4.4 Concrete batcher process on a
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Chapter 10 Regulatory aspects David
Page 187 and 188: • validation of the effectiveness
Page 189 and 190: • operating conditions, such as t
Page 191 and 192: 10.4.6 Outbreak investigation and n
Page 193 and 194: hot water (e.g. health-care facilit
Page 195 and 196: General prevent on Country DW Wp SB
Page 197 and 198: Country General prevent on DW Wp SB
Page 199 and 200: Chapter 11 Laboratory aspects of Le
Page 201 and 202: • detection of the bacterium in t
Page 203 and 204: Method Sens t v ty (%) PCR • Rapi
Page 205 and 206: 11.2.2 Detecting Legionella antigen
Page 207 and 208: DFA has been used successfully with
Page 209 and 210: • Serologic testing can be used f
Page 211 and 212: Although not all strains can be rel
Page 213 and 214: Generally, any water source that ma
Page 215 and 216: During outbreak investigations, swa
Page 217 and 218: • other Legionella species that d
Page 219 and 220: Appendix 1 Example of a water syste
Page 221 and 222: Weekly water system check list Week
Page 223 and 224: Appendix 2 Example of a 2-week foll
Page 225 and 226: Travel Work/travel in the UK: ❑ Y
Page 227 and 228: Checklist of local places Health/sp
Page 229 and 230: Appendix 3 Example of a national su
Page 231 and 232: Strictly Confidential 2 Hospital Ac
Page 233 and 234: Glossary aerobic bacteria Bacteria
Page 235 and 236: health-care acquired Legionellosis
Page 237: surveillance The process of systema
Page 241 and 242: Barbaree JM et al. (1987). Protocol
Page 243 and 244: Blatt SP et al. (1994). Legionnaire
Page 245 and 246: Byrne B, Swanson MS (1998). Express
Page 247 and 248: Crespi S (1993). Legionella y legio
Page 249 and 250: Edelstein PH (1982b). Comparative s
Page 251 and 252: Falguera M et al. (2001). Nonsevere
Page 253 and 254: Gaia V et al. (2003). Sequence-base
Page 255 and 256: Hayden RT et al. (2001). Direct det
Page 257 and 258: Ingram JG, Plouffe JF (1994). Dange
Page 259 and 260: Ko KS et al. (2003). Molecular evol
Page 261 and 262: Loret JF et al. (2003). Comparison
Page 263 and 264: McEvoy M et al. (2000). A cluster o
Page 265 and 266: Olaechea PM et al. (1996). A predic
Page 267 and 268: Regan CM et al. (2003). Outbreak of
Page 269 and 270: Schulze-Robbecke R, Rodder M, Exner
Page 271 and 272: Surman SB, Morton LHG, Keevil CW (1
Page 273 and 274: Tully M, Williams A, Fitzgeorge RB
Page 275 and 276: Welti M et al. (2003). Development
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