Tuberculosis: Introduction, Types, Sign and Symptoms, Causative Agent, Laboratory Diagnosis, Treatment, Prevention and Control, and Keynotes

Introduction Tuberculosis (TB) is a contagious bacterial infection that primarily affects the lungs, although it can also impact other parts of the body. It is caused by Mycobacterium tuberculosis, a type of bacteria that spreads through the air when an infected person coughs, sneezes, or …

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Gardnerella vaginalis: Introduction, Morphology, Pathogenicity, Lab Diagnosis, Treatment, Prevention, and Keynotes

Introduction Gardnerella vaginalis is a Gram-variable bacterium that is considered to be a facultative anaerobe, meaning it can survive in both aerobic and anaerobic environments. It is the main causative agent of bacterial vaginosis (BV), a common vaginal infection in women of reproductive age. BV …

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Mycobacterium tuberculosis: Introduction, Morphology, Pathogenicity, Lab Diagnosis, Treatment, Prevention, and Keynotes

Mycobacterium tuberculosis colony morphology on LJ medium

Introduction Mycobacterium tuberculosis is a bacterium that causes tuberculosis (TB), a contagious infectious disease primarily affecting the lungs but can also affect other parts of the body. TB has been a significant public health concern worldwide, causing illness and death for thousands of years. Key …

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Chlamydia trachomatis: Introduction, Morphology, Pathogenicity, Lab Diagnosis, Treatment, Prevention, and Keynotes

Introduction Chlamydia trachomatis is a gram-negative bacterium and is an important human pathogen known for causing several diseases. It is an obligate intracellular bacterium, meaning it can only survive and reproduce inside host cells. C. trachomatis primarily infects epithelial cells of the mucous membranes in …

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Trichomonas vaginalis: Introduction, Morphology, Pathogenicity, Lab Diagnosis, Treatment, Prevention, and Keynotes

Introduction Trichomonas vaginalis is a parasitic protozoan that primarily infects the urogenital tract of humans, causing the sexually transmitted infection (STI) known as trichomoniasis. This microorganism is responsible for one of the most common curable STIs worldwide. T. vaginalis was first identified by Alfred Francois …

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Neisseria gonorrhoeae:Introduction, Morphology, Pathogenicity, Lab Diagnosis, Treatment, Prevention, and Keynotes

Introduction Neisseria gonorrhoeae, commonly known as gonococcus or simply gonorrhea, is a Gram-negative bacterium that causes the sexually transmitted infection (STI) known as gonorrhea. It is one of the most prevalent and widely recognized bacterial STIs worldwide, primarily transmitted through sexual contact with an infected …

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