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Chapter 26 : Effect of Testing Patterns on the Apparent Epidemiology of Legionnaires’ Disease in Australia

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Effect of Testing Patterns on the Apparent Epidemiology of Legionnaires’ Disease in Australia, Page 1 of 2

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Abstract:

It is widely known that appears to be more common in Australia than anywhere else. Western Australia has reported up to 93% of positive cases being . In a review of national data, 51% of Australian notifications were for infections, and 42% were . Victorians are about 10 times more likely to have a Legionella urinary antigen test than other Australians. The differences in reported proportions of species across Australia may also be influenced by different testing patterns among clinicians. Many would argue that it is not plausible that outbreaks of legionellosis are being routinely missed in other parts of Australia and that the number of outbreaks in Victoria simply indicates a greater risk environment, most clearly exemplified by the aquarium outbreak. In summary, it would appear that an iterative process has taken place in Victoria, with more testing leading to more case detection, which has led to more outbreaks being detected, raising clinician awareness, leading to more testing, and so on.

Citation: Tallis G, Tan A, Ryan N. 2006. Effect of Testing Patterns on the Apparent Epidemiology of Legionnaires’ Disease in Australia, p 100-104. In Cianciotto N, Kwaik Y, Edelstein P, Fields B, Geary D, Harrison T, Joseph C, Ratcliff R, Stout J, Swanson M (ed), . ASM Press, Washington, DC. doi: 10.1128/9781555815660.ch26

Key Concept Ranking

Legionella longbeachae
0.7083333
Legionella pneumophila
0.7083333
Legionella longbeachae
0.7083333
Legionella pneumophila
0.7083333
Legionella longbeachae
0.7083333
Legionella pneumophila
0.7083333
0.7083333
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Figures

Image of FIGURE 1
FIGURE 1

International comparison of notification rate of legionellosis.

Citation: Tallis G, Tan A, Ryan N. 2006. Effect of Testing Patterns on the Apparent Epidemiology of Legionnaires’ Disease in Australia, p 100-104. In Cianciotto N, Kwaik Y, Edelstein P, Fields B, Geary D, Harrison T, Joseph C, Ratcliff R, Stout J, Swanson M (ed), . ASM Press, Washington, DC. doi: 10.1128/9781555815660.ch26
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Image of FIGURE 2
FIGURE 2

Notification of legionellosis, Victoria, 1991 to 2004.

Citation: Tallis G, Tan A, Ryan N. 2006. Effect of Testing Patterns on the Apparent Epidemiology of Legionnaires’ Disease in Australia, p 100-104. In Cianciotto N, Kwaik Y, Edelstein P, Fields B, Geary D, Harrison T, Joseph C, Ratcliff R, Stout J, Swanson M (ed), . ASM Press, Washington, DC. doi: 10.1128/9781555815660.ch26
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Image of FIGURE 3
FIGURE 3

Urinary antigen test usage. Victoria versus the rest of Australia, 2002. ICT, immunocromatography; EIA, enzyme immunoassay.

Citation: Tallis G, Tan A, Ryan N. 2006. Effect of Testing Patterns on the Apparent Epidemiology of Legionnaires’ Disease in Australia, p 100-104. In Cianciotto N, Kwaik Y, Edelstein P, Fields B, Geary D, Harrison T, Joseph C, Ratcliff R, Stout J, Swanson M (ed), . ASM Press, Washington, DC. doi: 10.1128/9781555815660.ch26
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Download as Powerpoint

References

/content/book/10.1128/9781555815660.ch26
1. Garcia-Felgueiras, A.,, C. Navarro,, D. Fenoll,, J. Garcia,, P. Gonzalez-Diego,, T. Jimenez-Bunuales,, M. Rodriguez,, R. Lopez,, F. Pacheco,, J. Ruiz,, M. Segovia,, B. Balandron, and, C. Pelaz. 2003. Legionnaires’ disease outbreak in Murcia, Spain. Emerg. Infect. Dis. 9:915–921.
2. Greig, J.,, J. A. Carnie,, G. F. Tallis,, N. J. Ryan,, A. G. Tan,, I. R. Gordon,, B. Zwolak,, J. A. Leydon,, C. S. Guest, and, W. G. Hart. 2004. An outbreak of Legionnaires’ disease at the Melbourne Aquarium, April 2000: investigation and case-control studies. Med. J.Aust. 180:566572.
3. Inglis, T. J. J.,, F. Haverkort,, M. Sears,, I. Sampson, and, G. Harnett. 2002. 2002, Epidemiology of legionella infection in Western Australia, p. 353355. In R. Marre,, Y. Abu Kwaik,, C. Batlett,, N. P. Cianciotto,, B. S. Fields,, M. Frosch,, J. Hacker, and P. C. Luck (ed.). Legionella, ASM Press, Washington D.C.
4. Li, J. S.,, E. D. O’Brien, and, C. Guest. 2002.A review of national legionellosis surveillance in Australia, 1991 to 2000. Commun. Dis. Intell. 26:461468.

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