Johns Hopkins ABX Guide
Naegleria fowleri
MICROBIOLOGY
- Free-living ameba, ubiquitous in the environment, is found in warm freshwater and soil. Rarely found in inadequately chlorinated tap water or swimming pools.
- Phylum Percolozoa
- Organisms feed on bacteria.
- N. fowleri is the only known species to cause human disease.
- Other free-living amoebae Naegleria are not considered pathogenic.
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Last updated: February 4, 2023
Citation
Auwaerter, Paul G. "Naegleria Fowleri." Johns Hopkins ABX Guide, The Johns Hopkins University, 2023. Johns Hopkins Guides, www.hopkinsguides.com/hopkins/view/Johns_Hopkins_ABX_Guide/540732/all/Naegleria_fowleri.
Auwaerter PG. Naegleria fowleri. Johns Hopkins ABX Guide. The Johns Hopkins University; 2023. https://www.hopkinsguides.com/hopkins/view/Johns_Hopkins_ABX_Guide/540732/all/Naegleria_fowleri. Accessed October 30, 2025.
Auwaerter, P. G. (2023). Naegleria fowleri. In Johns Hopkins ABX Guide. The Johns Hopkins University. https://www.hopkinsguides.com/hopkins/view/Johns_Hopkins_ABX_Guide/540732/all/Naegleria_fowleri
Auwaerter PG. Naegleria Fowleri [Internet]. In: Johns Hopkins ABX Guide. The Johns Hopkins University; 2023. [cited 2025 October 30]. Available from: https://www.hopkinsguides.com/hopkins/view/Johns_Hopkins_ABX_Guide/540732/all/Naegleria_fowleri.
* Article titles in AMA citation format should be in sentence-case
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PB - The Johns Hopkins University
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