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Introduction Mycosel Agar is a selective culture medium to isolate pathogenic fungi from samples containing a mix of fungi and bacteria. It’s designed to suppress the growth of non-pathogenic fungi and bacteria, allowing for the isolation and identification of pathogenic fungi. Principle Cycloheximide inhibits the growth …
Introduction Acinetobacter baumannii is a Gram-negative, non-fermenting, aerobic coccobacillus. It is an opportunistic pathogen increasingly associated with nosocomial infections, particularly in critically ill or immunocompromised patients. Notorious for its antibiotic resistance, it has become a major global health concern, particularly in ICU settings. Morphology Pathogenicity …
Introduction Small Colony Variants (SCVs) are a subpopulation of bacteria that grow slowly and form unusually small colonies on culture media. They are most commonly described in Staphylococcus aureus, but also occur in Pseudomonas aeruginosa, Escherichia coli, and Listeria monocytogenes. SCVs are associated with chronic, …
Introduction Acinetobacter baumannii complex is a group of Gram-negative, non-fermenting bacilli known for causing healthcare-associated infections. It includes closely related species like A. baumannii, A. pittii, A. nosocomialis, and A. calcoaceticus. This complex thrives in hospital environments and poses a serious challenge due to its …
Introduction Proteus hauseri is a Gram-negative, facultatively anaerobic bacillus in the Enterobacteriaceae family. It is closely related to other Proteus species and commonly found in soil, water, and the human gastrointestinal tract. Though less prevalent than P. mirabilis, P. hauseri can cause opportunistic infections—especially in …
Introduction of COVID-19 Antigen Test SARS-CoV-2 antigen test for severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is used as a screening test on asymptomatic persons to detect or exclude Coronavirus Disease 2019 (COVID-19) or to determine whether a person who previously was diagnosed with COVID-19 …
Introduction The Enterobacter cloacae complex (ECC) is a group of closely related bacterial species, including Enterobacter cloacae, Enterobacter hormaechei, and others, that can cause a variety of infections, particularly in healthcare settings. ECC is a significant cause of nosocomial (hospital-acquired) infections, including bloodstream infections, pneumonia, and urinary …
Introduction of Klebsiella ozaenae Klebsiella pneumoniae subspecies ozaenae (Klebsiella ozaenae) is a Gram-negative bacterium (GNB), primarily associated with atrophic rhinitis (ozena), a chronic condition of the nasal cavity characterized by tissue thinning and unpleasant odor. It is also known as a normal inhabitant of the oral and …