Johns Hopkins ABX Guide
Legionnaires' Disease
PATHOGENS
- Major human Legionella pathogens:
- Legionella pneumophila serogroup 1, estimated 70-80% of cases
- Legionella micdadei, second most common in U.S.
- Legionella pneumophila other serogroups, 2-6% of cases
- Other Legionella species are seen occasionally (see module for details).
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Last updated: April 16, 2023
Citation
Auwaerter, Paul G. "Legionnaires' Disease." Johns Hopkins ABX Guide, The Johns Hopkins University, 2023. Pediatrics Central, peds.unboundmedicine.com/pedscentral/view/Johns_Hopkins_ABX_Guide/540307/all/Legionnaires'_Disease.
Auwaerter PG. Legionnaires' Disease. Johns Hopkins ABX Guide. The Johns Hopkins University; 2023. https://peds.unboundmedicine.com/pedscentral/view/Johns_Hopkins_ABX_Guide/540307/all/Legionnaires'_Disease. Accessed April 17, 2025.
Auwaerter, P. G. (2023). Legionnaires' Disease. In Johns Hopkins ABX Guide. The Johns Hopkins University. https://peds.unboundmedicine.com/pedscentral/view/Johns_Hopkins_ABX_Guide/540307/all/Legionnaires'_Disease
Auwaerter PG. Legionnaires' Disease [Internet]. In: Johns Hopkins ABX Guide. The Johns Hopkins University; 2023. [cited 2025 April 17]. Available from: https://peds.unboundmedicine.com/pedscentral/view/Johns_Hopkins_ABX_Guide/540307/all/Legionnaires'_Disease.
* Article titles in AMA citation format should be in sentence-case
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