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  2. Group A streptococcal infection - Wikipedia

    en.wikipedia.org/wiki/Group_A_streptococcal...

    Group A streptococcal infections are a number of infections with Streptococcus pyogenes, a group A streptococcus (GAS). [1] S. pyogenes is a species of beta-hemolytic Gram-positive bacteria that is responsible for a wide range of infections that are mostly common and fairly mild. If the bacteria enters the bloodstream, the infection can become ...

  3. Centor criteria - Wikipedia

    en.wikipedia.org/wiki/Centor_criteria

    Guidelines for management state: [1]-1, 0 or 1 point(s) – No antibiotic or throat culture necessary (risk of strep. infection <10%) 2 or 3 points – Should receive a throat culture and treat with an antibiotic if culture is positive (risk of strep. infection 32% if 3 criteria, 15% if 2) 4 or 5 points – Consider rapid strep testing and or ...

  4. Streptococcosis - Wikipedia

    en.wikipedia.org/wiki/Streptococcosis

    Similarly, group B streptococcus typically denotes Streptococcus agalactiae, although minor beta-hemolytic group B streptococci like S. troglodytidis exist. [15] While most streptococcal illnesses in humans originate from species adapted to humans, such as S. pneumoniae or S. pyogenes, there are zoonotic species capable of causing infections. [15]

  5. Streptococcus pyogenes - Wikipedia

    en.wikipedia.org/wiki/Streptococcus_pyogenes

    However, both Streptococcus dysgalactiae and the Streptococcus anginosus group can possess group A antigen as well. Group A streptococci, when grown on blood agar, typically produce small (2–3 mm) zones of beta-hemolysis, a complete destruction of red blood cells. The name group A (beta-hemolytic) Streptococcus is thus also used. [1]

  6. Streptococcus bovis - Wikipedia

    en.wikipedia.org/wiki/Streptococcus_bovis

    Streptococcus bovis is a group of strains of Gram-positive bacteria, originally described as a species, [5] [6] that in humans is associated with urinary tract infections, endocarditis, sepsis, [7] and colorectal cancer. [8] S. bovis is commonly found in the alimentary tract of cattle, sheep, and other ruminants, [9] and may cause ruminal acidosis.

  7. New CDC report reveals why invasive strep surged last year ...

    www.aol.com/least-2-us-kids-died-230622432.html

    Two children in the U.S. and 15 in the U.K. have died from strep A infection, a bacteria that normally causes mild disease but can be extremely dangerous.

  8. Streptococcus - Wikipedia

    en.wikipedia.org/wiki/Streptococcus

    The remaining nonenterococcal group D strains include Streptococcus gallolyticus, Streptococcus bovis, Streptococcus equinus and Streptococcus suis. Nonhemolytic streptococci rarely cause illness. However, weakly hemolytic group D beta-hemolytic streptococci and Listeria monocytogenes (which is actually a gram-positive bacillus) should not be ...

  9. Streptococcal pharyngitis - Wikipedia

    en.wikipedia.org/wiki/Streptococcal_pharyngitis

    Streptococcal pharyngitis, also known as streptococcal sore throat (strep throat), is pharyngitis (an infection of the pharynx, the back of the throat) caused by Streptococcus pyogenes, a gram-positive, group A streptococcus. [9] [10] Common symptoms include fever, sore throat, red tonsils, and enlarged lymph nodes in the front of the neck.