ReviewBMC infectious diseases2026
Gastrointestinal infection caused by five different strains of Aeromonas caviae and one of Aeromonas veronii: case report and review of the literature.
Review in BMC infectious diseases, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Authors and funding
3 authors.
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Abstract
backgroundAeromonas species are considered opportunistic emerging pathogens with diarrheal disease being the most common manifestation. Infections involving more than one strain or species of Aeromonas are rarely documented, and their impact in the development of the infection and in the treatment has not been thoroughly investigated. CASE PRESENTATION: We report a case of a 33-year-old woman with a history of an autoimmune disease, who presented at the emergency department complaining of abdominal pain, fever, acute diarrhea and vomiting. The patient was diagnosed with gastroenteritis caused by Aeromonas caviae, based on the identification of the bacteria from a single isolate using the matrix-assisted laser desorption ionization time of flight mass spectrometry (MALDI-TOF MS). Further investigations, from a new culture, after genotyping eight isolates using ERIC-PCR and identification based on rpoD gene sequences, revealed the presence of two different Aeromonas species and six distinct strains, five belonging to A. caviae and one to Aeromonas veronii. A review of published Aeromonas mixed infection cases was performed to determine the current knowledge.
conclusionsStandard diagnostics rely on the identification and evaluation of the antimicrobial susceptibility of a single isolate taken from the culture media. This case aims to raise awareness among clinicians of the existence of polymicrobial infections and highlights the limitations of isolating a single colony. This may underestimate the genetic diversity within a sample, as different clones of the same or different species with varying antimicrobial resistance can potentially impact treatment response and the evolution of the infection. The reviewed cases of polymicrobial Aeromonas infections highlight the limited knowledge regarding their true incidence and potential clinical impact, which may influence antibiotic treatment and patient outcomes and underscores the need for further research.
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