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Diseases » Legionnaires' disease » Prevalence
 

Prevalence and Incidence of Legionnaires' disease

Ophanet, who are a consortium of European partners, currently defines a condition rare when if affects 1 person per 2,000. They list Legionnaires' disease as a "rare disease". More information about Legionnaires' disease is available from Orphanet

Incidence (annual) of Legionnaires' disease:

1,108 annual cases notified in USA 1999 (MMWR 1999) ... see also overview of Legionnaires' disease.

Incidence Rate:

approx 1 in 245,487 or 0.00% or 1,107 people in USA [Source statistic for calcuation: "1,108 annual cases notified in USA 1999 (MMWR 1999)" -- see also general information about data sources]

Incidence extrapolations for USA for Legionnaires' disease:

1,107 per year, 92 per month, 21 per week, 3 per day, 0 per hour, 0 per minute, 0 per second. [Source statistic for calculation: "1,108 annual cases notified in USA 1999 (MMWR 1999)" -- see also general information about data sources]

Incidence statistics for Legionnaires' disease:

The following statistics relate to the incidence of Legionnaires' disease:

  • 0.19 per 100,000 in Canada 20001
  • 1.6 new cases of legionellosis per 100,000 population was notified in Australia 2002 (Yohannes K, Roche P, Blumer C et al. 2004, Australia’s Health 2004, AIHW)
  • 318 new cases of legionellosis was notified in Australia 2002 (Yohannes K, Roche P, Blumer C et al. 2004, Australia’s Health 2004, AIHW)
  • more statistics...»

About prevalence and incidence statistics:

The term 'prevalence' of Legionnaires' disease usually refers to the estimated population of people who are managing Legionnaires' disease at any given time. The term 'incidence' of Legionnaires' disease refers to the annual diagnosis rate, or the number of new cases of Legionnaires' disease diagnosed each year. Hence, these two statistics types can differ: a short-lived disease like flu can have high annual incidence but low prevalence, but a life-long disease like diabetes has a low annual incidence but high prevalence. For more information see about prevalence and incidence statistics.

Footnotes:
1. Notifiable Diseases Online, PPHB, Canada, 2000

 

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