Johns Hopkins ABX Guide
Acinetobacter baumannii
MICROBIOLOGY
- Aerobic Gram-negative coccobacillus [Fig] or rod.
- It may be mistaken for Neisseria, Haemophilus spp. or Moraxella on Gram stain.
- Common in the environment (water, soil) and hospitals (catheters, lotions, ventilation equipment)
- Grows on standard agar media.
- Oxidase negative
- A. baumannii is the major species of Acinetobacter.
- Other species include A. calcoaceticus, A. lwoffi, A. junii, A. johnsonii and A. baylyi.
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Last updated: September 8, 2024
Citation
Fabre, Valeria. "Acinetobacter Baumannii." Johns Hopkins ABX Guide, The Johns Hopkins University, 2024. Pediatrics Central, peds.unboundmedicine.com/pedscentral/view/Johns_Hopkins_ABX_Guide/540003/all/Acinetobacter_baumannii.
Fabre V. Acinetobacter baumannii. Johns Hopkins ABX Guide. The Johns Hopkins University; 2024. https://peds.unboundmedicine.com/pedscentral/view/Johns_Hopkins_ABX_Guide/540003/all/Acinetobacter_baumannii. Accessed May 6, 2025.
Fabre, V. (2024). Acinetobacter baumannii. In Johns Hopkins ABX Guide. The Johns Hopkins University. https://peds.unboundmedicine.com/pedscentral/view/Johns_Hopkins_ABX_Guide/540003/all/Acinetobacter_baumannii
Fabre V. Acinetobacter Baumannii [Internet]. In: Johns Hopkins ABX Guide. The Johns Hopkins University; 2024. [cited 2025 May 06]. Available from: https://peds.unboundmedicine.com/pedscentral/view/Johns_Hopkins_ABX_Guide/540003/all/Acinetobacter_baumannii.
* Article titles in AMA citation format should be in sentence-case
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PB - The Johns Hopkins University
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