Urinary Tract Infection (UTI): Introduction, Types, Sign and Symptoms, Laboratory Diagnosis, Treatment, Prevention and Control, and Keynotes

Urinary Tract Infection (UTI) due to E. coli

Introduction A urinary tract infection (UTI) is a bacterial infection that affects any part of the urinary system, which includes the kidneys, bladder, ureters, and urethra. UTIs are among the most common types of infections, and they can occur in people of all ages, although …

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Burkholderia cepacia: Introduction, Morphology, Pathogenicity, Lab Diagnosis, Treatment, Prevention, and Keynotes

Burkholderia cepacia: Introduction, Morphology, Pathogenicity, Lab Diagnosis, Treatment, Prevention, and Keynotes

Introduction Burkholderia cepacia is a species of gram-negative bacteria within the Burkholderia genus. It is a versatile and opportunistic pathogen that can cause infections in both immunocompromised and healthy individuals. B. cepacia is a significant concern, particularly in individuals with cystic fibrosis (CF) and other …

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Enterococcus: Introduction, Morphology, Pathogenicity, Lab Diagnosis, Treatment, Prevention, and Keynotes

Enterococcus faecium colony characteristics on CLED agar of Urine Culture

Introduction Enterococcus is a genus of Gram-positive bacteria that are part of the normal microbial flora of humans and animals. They are facultative anaerobes, meaning they can survive in both the presence and absence of oxygen. Enterococcus species are known for their ability to thrive …

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Antimicrobial Susceptibility Testing (AST): Introduction, Principle, Test Methods, Test Requirements, Procedure, and Result Interpretation, Application, and Keynotes

Antimicrobial Susceptibility Testing (AST): Introduction, Principle, Test Methods, Test Requirements, Procedure, and Result Interpretation, Application, and Keynotes

Introduction Antimicrobial Susceptibility Testing (AST) is a laboratory technique used to assess the effectiveness of antimicrobial agents, such as antibiotics, against specific microorganisms. The aim of AST is to determine the susceptibility or resistance of a microorganism to different antimicrobial drugs. This information is crucial …

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Shigella sonnei: Introduction, Morphology, Pathogenicity, Lab Diagnosis, Treatment, Prevention, and Keynotes

Shigella sonnei in wet mount of Tryptone soy broth microscopy

Introduction Shigella sonnei is a bacterium that is responsible for causing shigellosis, a type of bacterial infection affecting the digestive system. Shigellosis is commonly characterized by symptoms such as diarrhea, abdominal pain, fever, and occasionally, bloody stools. It is a specific serotype of the Shigella …

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Citrobacter freundii: Introduction, Morphology, Pathogenicity, Lab Diagnosis, Treatment, Prevention, and Keynotes

Citrobacter freundii growth on CLED agar of Urine Culture

Introduction Citrobacter freundii is a Gram-negative bacterium belonging to the Enterobacteriaceae family. It is commonly found in the environment, including soil, water, and the intestinal tracts of humans and animals. Citrobacter freundii is an opportunistic pathogen, meaning it can cause infections in individuals with weakened …

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Morganella: Introduction, Morphology, Pathogenicity, Lab Diagnosis, Treatment, Prevention, and Keynotes

Morganella morganii Colony Morphology on CLED agar of Urine Culture

Introduction Morganella is a genus of bacteria belonging to the family Enterobacteriaceae. The genus was named after the bacteriologist John Morgan. Morganella species are gram-negative, rod-shaped bacteria that are commonly found in the environment, including soil, water, and sewage. One species of particular interest is …

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Staphylococcus lentus: Introduction, Morphology, Pathogenicity, Lab Diagnosis, Treatment, Prevention, and Keynotes

Serratia ficaria on CLED Agar of Urine Culture

Introduction Staphylococcus lentus is a species of Gram-positive bacteria belonging to the genus Staphylococcus. It is classified as a coagulase-negative staphylococcus (CoNS), which means it does not produce the enzyme coagulase. CoNS are commonly found as part of the normal human skin and mucous membrane …

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