Legionellosis epidemiology and demographics: Difference between revisions
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{{Legionellosis}} | {{Legionellosis}} | ||
{{CMG}} {{AE}} {{YD}}; {{SSK}} | |||
{{CMG}} | |||
==Overview== | ==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== | ==References== | ||
{{reflist|2}} | {{reflist|2}} | ||
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{{WikiDoc Help Menu}} | {{WikiDoc Help Menu}} | ||
{{WikiDoc Sources}} | {{WikiDoc Sources}} | ||
[[Category:Pulmonology]] | [[Category:Pulmonology]] | ||
[[Category:Disease]] | [[Category:Disease]] | ||
[[Category:Bacterial diseases]] | [[Category:Bacterial diseases]] | ||
[[Category:Medical disasters]] | [[Category:Medical disasters]] | ||
Latest revision as of 18:09, 18 September 2017
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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