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Updated: Jul 9, 2026

The Insect Galleria mellonella as a Powerful Infection Model to Investigate Bacterial Pathogenesis
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Published on: December 11, 2012

Serious infections from Bacillus sp.

C U Tuazon, H W Murray, C Levy

    JAMA
    |March 16, 1979
    PubMed
    Summary
    This summary is machine-generated.

    Serious Bacillus infections, including endocarditis and osteomyelitis, occurred in seven patients. This highlights the need to avoid dismissing Bacillus as a contaminant, especially in critical samples.

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    Intravitreal Injection and Quantitation of Infection Parameters in a Mouse Model of Bacterial Endophthalmitis

    Published on: February 6, 2021

    Area of Science:

    • Medical Microbiology
    • Infectious Diseases

    Background:

    • Bacillus species are often considered contaminants in clinical microbiology.
    • Serious infections attributed to Bacillus are rare but can occur in specific patient populations.

    Observation:

    • Seven patients developed serious Bacillus infections.
    • Infections included endocarditis, osteomyelitis, necrotizing fasciitis, and ventriculoatrial shunt infections.
    • Patient populations at risk included drug abusers and a leukemic patient.

    Findings:

    • All seven patients with Bacillus infections recovered.
    • Bacillus species were implicated in diverse and severe clinical presentations.
    • Prompt identification and treatment were key to patient recovery.

    Implications:

    • Bacillus should not be dismissed as a mere culture contaminant.
    • Clinical vigilance is essential when Bacillus is isolated from blood, body fluids, or closed-space infections.
    • Accurate identification of Bacillus is critical for appropriate therapeutic management.