Legionnaires' disease is a form of pneumonia caused by any type of Legionella bacteria. Over 90% of cases are caused by Legionella pneumophila.
The length of time between exposure to the bacteria and the appearance of symptoms is generally two to ten days. It can be as much as 20 days.[1] People with Legionnaires' usually have fever, chills, and a cough. Some also have muscle aches, headache, tiredness, loss of appetite, diarrhea or vomiting.
People of any age may have Legionnaires' disease. It is most common in middle aged and older people.
References
- ↑ "Legionella and the prevention of legionellosis" (PDF). World Health Organization. Retrieved Mar 6, 2016.
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| α | | Rickettsiales | Rickettsiaceae/ (Rickettsioses) | | Typhus |
- Rickettsia typhi
- Rickettsia prowazekii
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Spotted fever | | Tick-borne |
- Rickettsia rickettsii
- Rocky Mountain spotted fever
- Rickettsia conorii
- Rickettsia japonica
- Rickettsia sibirica
- Rickettsia australis
- Rickettsia honei
- Flinders Island spotted fever
- Rickettsia africae
- Rickettsia parkeri
- Rickettsia aeschlimannii
- Rickettsia aeschlimannii infection
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| Mite-borne |
- Rickettsia akari
- Orientia tsutsugamushi
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| Flea-borne | |
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| Anaplasmataceae |
- Ehrlichiosis: Anaplasma phagocytophilum
- Human granulocytic anaplasmosis, Anaplasmosis
- Ehrlichia chaffeensis
- Human monocytotropic ehrlichiosis
- Ehrlichia ewingii
- Ehrlichiosis ewingii infection
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| Hyphomicrobiales | | Brucellaceae | |
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| Bartonellaceae |
- Bartonellosis: Bartonella henselae
- Bartonella quintana
- Either B. henselae or B. quintana
- Bartonella bacilliformis
- Carrion's disease, Verruga peruana
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| β | | Neisseriales | | M+ |
- Neisseria meningitidis/meningococcus
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| M− |
- Neisseria gonorrhoeae/gonococcus
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| ungrouped: |
- Eikenella corrodens/Kingella kingae
- Chromobacterium violaceum
- Chromobacteriosis infection
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| Burkholderiales |
- Burkholderia pseudomallei
- Burkholderia mallei
- Burkholderia cepacia complex
- Bordetella pertussis/Bordetella parapertussis
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| γ | Enterobacteriales (OX−) | | Lac+ |
- Escherichia coli: Enterotoxigenic
- Enteroinvasive
- Enterohemorrhagic
- O157:H7
- O104:H4
- Hemolytic-uremic syndrome
- Enterobacter aerogenes/Enterobacter cloacae
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| Slow/weak |
- Serratia marcescens
- Citrobacter koseri/Citrobacter freundii
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| Lac− | | H2S+ | |
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| H2S− |
- Shigella dysenteriae/sonnei/flexneri/boydii
- Shigellosis, Bacillary dysentery
- Proteus mirabilis/Proteus vulgaris
- Yersinia pestis
- Yersinia enterocolitica
- Yersinia pseudotuberculosis
- Far East scarlet-like fever
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| Pasteurellales | | Haemophilus: |
- H. influenzae
- Haemophilus meningitis
- Brazilian purpuric fever
- H. ducreyi
- H. parainfluenzae
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| Pasteurella multocida |
- Pasteurellosis
- Actinobacillus
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| Aggregatibacter actinomycetemcomitans | |
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| Legionellales | |
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| Thiotrichales | |
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| Vibrionaceae | |
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| Pseudomonadales | |
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| Xanthomonadaceae |
- Stenotrophomonas maltophilia
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| Cardiobacteriaceae | |
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| Aeromonadales |
- Aeromonas hydrophila/Aeromonas veronii
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| ε | |
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