Streptococcus is a genus of gram-positive bacteria commonly found on skin and mucous membranes. It includes pathogenic and non-pathogenic species, with cell division along a single axis forming pairs or chains. The bacteria were first observed by Billroth and named by Ogston. Different types of stre

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Neonatal Early-Onset Sepsis (EOS) is a rare but life-threatening condition primarily caused by Group B Streptococcus (GBS) or Escherichia coli. Recognizing risk factors such as maternal age, intrapartum fever, GBS colonization, and certain neonatal characteristics is crucial for timely evaluation an

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Strangles is a contagious upper respiratory tract infection in horses caused by Streptococcus equi var equi. It is characterized by inflammation, swelling, and lymph node abscesses. Transmission occurs through direct or indirect contact, leading to symptoms like depression, fever, nasal discharge, a

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Discover the fascinating journey of uncovering genetic materials, from Frederick Griffith's transformation principle with Streptococcus pneumoniae to Oswald Avery's identification of DNA as the transforming substance. Follow the biochemical characteristics studied by Avery, MacLeod, and McCarty, lea

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Streptococci are diverse Gram-positive bacteria found in nature, some of which are part of the human microbiota while others cause diseases. This article discusses the morphology, classification, hemolysis properties, Lancefield grouping, and details about Streptococcus pyogenes, a significant human

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Streptococci are Gram-positive cocci commonly found in chains or pairs. This article covers their classification based on hemolysis patterns and Lancefield grouping, along with general characteristics and principles of differentiation tests. Learn about the infections caused by different Streptococc

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Necrotizing pneumonia in children is characterized by necrosis of pulmonary tissue, leading to the formation of small cavities containing necrotic debris or fluid. Staphylococcus Aureus and Streptococcus Pneumoniae are common pathogens. Treatment involves a prolonged course of IV antibiotics tailore

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Rheumatic fever is a delayed autoimmune reaction to group A, B-hemolytic streptococcal pharyngitis in genetically susceptible individuals. This condition involves the heart, joints, brain, skin, and serous surfaces. The incidence varies between developing and developed countries, with environmental

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Pharyngitis is characterized by sore throat, categorized as acute or chronic. Acute pharyngitis has a sudden onset, while chronic pharyngitis persists longer. Chronic types include hypertrophic, atrophic, and granular, each with specific characteristics. Majority of cases are viral, with streptococc

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