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{{Legionellosis}}
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{{CMG}}
==Overview==
The majority of cases of legionellosis are reported between the Summer and early Fall (between June and October). Approximately 8,000-18,000 individuals are hospitalized annually in the USA for Legionnaires' disease with a case fatality rate ranging between 10% to 35%. The median case-patient age is 61 years, and the male to female ratio is 1.8 to 1.
 
==Epidemiology and Demographics==
===Incidence===
*In USA, the [[incidence]] of legionellosis ranges between 1-3 cases per 100,000 individuals.
*Approximately 8,000-18,000 individuals are hospitalized annually in the USA for legionellosis.
*The [[incidence]] of legionellosis is believed to be increasing over the last 10-15 years.
 
===Case Fatality Rate===
*The [[case fatality rate]] of legionellosis ranges between 10% to 35%.
*Hospital-acquired legionellosis is associated with a higher case fatality rate compared with community-acquired legionellosis.
 
===Age===
*The median case-patient age is 61 years.
*Patients of all ages may acquire legionellosis, but elderly patients older than 65 years of age are at higher risk.
 
===Gender===
*Males are slightly more likely to develop legionellosis.
*The male to female ratio is 1.8 to 1.
 
===Race===
*There is no racial predilection to the development of legionellosis.
 
===Seasonal Variation===
*The majority of cases of legionellosis are reported between the Summer and early Fall (between June and October).


==Overview==
===Infection in the U.S.===
*Although approximately 8,000 - 18,000 individuals are hospitalized with legionellosis in the U.S. each year, the disease is thought to be significantly under-reported with estimated of 2%-10% of cases being reported.
*'''In USA, legionellosis is a reportable condition in most states'''


==References==
==References==
{{reflist|2}}
{{reflist|2}}


[[Category:Infectious disease]]
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[[Category:Pulmonology]]
[[Category:Pulmonology]]
[[Category:Disease]]
[[Category:Disease]]
 
[[Category:Bacterial diseases]]
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Latest revision as of 18:09, 18 September 2017

Legionellosis Microchapters

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief: Yazan Daaboul, M.D.; Serge Korjian M.D.

Overview

The majority of cases of legionellosis are reported between the Summer and early Fall (between June and October). Approximately 8,000-18,000 individuals are hospitalized annually in the USA for Legionnaires' disease with a case fatality rate ranging between 10% to 35%. The median case-patient age is 61 years, and the male to female ratio is 1.8 to 1.

Epidemiology and Demographics

Incidence

  • In USA, the incidence of legionellosis ranges between 1-3 cases per 100,000 individuals.
  • Approximately 8,000-18,000 individuals are hospitalized annually in the USA for legionellosis.
  • The incidence of legionellosis is believed to be increasing over the last 10-15 years.

Case Fatality Rate

  • The case fatality rate of legionellosis ranges between 10% to 35%.
  • Hospital-acquired legionellosis is associated with a higher case fatality rate compared with community-acquired legionellosis.

Age

  • The median case-patient age is 61 years.
  • Patients of all ages may acquire legionellosis, but elderly patients older than 65 years of age are at higher risk.

Gender

  • Males are slightly more likely to develop legionellosis.
  • The male to female ratio is 1.8 to 1.

Race

  • There is no racial predilection to the development of legionellosis.

Seasonal Variation

  • The majority of cases of legionellosis are reported between the Summer and early Fall (between June and October).

Infection in the U.S.

  • Although approximately 8,000 - 18,000 individuals are hospitalized with legionellosis in the U.S. each year, the disease is thought to be significantly under-reported with estimated of 2%-10% of cases being reported.
  • In USA, legionellosis is a reportable condition in most states

References


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