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Introduction Gram staining is a routine diagnostic tool for respiratory infections. It reveals bacteria in sputum samples. Occasionally, Gram staining shows numerous pus cells but no microbes. This finding raises several clinical questions and concerns. Pus cells indicate an inflammatory response. They suggest a possible …
Introduction Serratia liquefaciens is a species of Gram-negative, rod-shaped bacteria belonging to the genus Serratia. This bacterium is known for its diverse distribution in various environmental niches, including water, soil, plants, and human-related habitats. It has also been associated with clinical infections in humans, making …
Introduction and Composition Tryptone Soy Broth (TSB) is a versatile and widely used liquid medium in microbiology. It is a nutrient-rich broth that supports the growth of a wide range of bacteria, making it suitable for general cultivation, enumeration, and maintenance of bacterial cultures. TSB …