Streptococcus pyogenes causes. Invasive infections can result in necrotizing fasciitis, myositis and streptococcal toxic shock syndrome. Generally, people spread the bacteria to others through respiratory droplets or direct Streptococcus is a genus of bacteria responsible for many human infections. Scarlet fever - an illness that follows strep throat. 链球菌属（Streptococcus）是化脓性球菌中的另一大类常见革兰阳性球菌。 有69个种和亚种，广泛分布于自然界和人体的鼻咽部、胃肠道等处，大多为正常菌群。 致病性链球菌可引起人类多种化脓性炎症及超敏反应性疾病。 Aug 14, 2025 · Streptococcus, (genus Streptococcus), group of spheroidal bacteria belonging to the family Streptococcaceae. Acute Streptococcus pyogenes infections may take the form of pharyngitis, scarlet fever (rash), impetigo, cellulitis, or erysipelas. Your tonsils may be swollen and have white spots on them. Two of them cause most of the strep infections in people: group A and group B. Jun 29, 2025 · Summary Strep is short for Streptococcus, a type of bacteria. In clinical practice, the most common groups of Streptococcus can be distinguished by simple bench tests, such as the PYR test for group A streptococcus. 鏈球菌屬包含了很多個 種，其中多數是在人和动物表皮，呼吸道等处的共生菌（commensal flora），也有对人类有益的菌种如 嗜热链球菌 （Streptococcus thermophilus），但其中也有相当数量的 致病菌 种。 Streptococcus is a genus of Gram-positive, spherical bacteria (cocci) that typically arrange themselves in chains of varying lengths, though some may appear in pairs. Group A strep causes: Strep throat - a sore, red throat. These infections range from minor to more serious. There are several types. There are also latex agglutination kits which can distinguish each of the main groups seen in clinical practice. . In clinical practice, the most common groups of Streptococcus can be distinguished by simple bench tests, such as the PYR test for group A streptococcus. Group A strep bacteria are contagious. Dec 24, 2021 · An updated review of pediatric autoimmune neuropsychiatric disorders associated with Streptococcus/pediatric acute-onset neuropsychiatric syndrome, also known as idiopathic autoimmune encephalitis: What the allergist should know. The term streptococcus (“twisted berry”) refers to the bacteria’s characteristic grouping in chains that resemble a string of beads. Jul 31, 2025 · Group A Streptococcus (group A strep bacteria) can cause many different infections. These bacteria can also cause inflammatory diseases after group A strep infection. Known for its diverse types and the array of diseases it can cause, understanding streptococcus is crucial for effective diagnosis, treatment, and prevention. 7dbsflbgs x1hqn jtizmf hfkj ji6tf hd7vi h2 0gu un2oo hklrck