Prevotella-Introduction, Morphology, Pathogenicity, Lab Diagnosis, Treatment, Prevention, and Keynotes

Introduction Prevotella is a genus of Gram-negative, anaerobic bacteria commonly found in the human oral and gut microbiota. These bacteria have been the focus of numerous studies due to their association with both health and disease in humans. Here’s a brief introduction: Morphology The morphology …

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Moraxella catarrhalis: Introduction, Morphology, Pathogenicity, Lab Diagnosis, Treatment, Prevention, and Keynotes

Gram negative cocci in pairs (diplococci) of Moraxella catarrhalis in Gram staining of culture microscopy at a magnification

Introduction Moraxella catarrhalis is a Gram-negative, aerobic bacterium that belongs to the Moraxellaceae family. It is a non-motile, non-spore-forming bacterium, and it is typically found in the upper respiratory tract of humans as a commensal organism. Though generally considered a commensal, M. catarrhalis can also …

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Haemophilus influenzae: Introduction, Morphology, Pathogenicity, Lab Diagnosis, Treatment, Prevention, and Keynotes

Introduction Haemophilus influenzae is a Gram-negative bacterium that was originally believed to be the causative agent of influenza (the flu). However, it was later discovered that H. influenzae is not related to the viral infection that causes influenza. Instead, this bacterium is known for causing …

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