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Group A streptococcal infection

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incidence and severity of group A streptococci. With more space for individuals to reside in, it provides the bacteria with less opportunities to spread from person to person. This is especially important considering an estimated 500,000 deaths worldwide all occurring after acute rheumatic fever, invasive infection, or subsequent heart disease can be accredited to GAS. This number is quite large, often leaving the health care system encumbered, since 91 percent of patients infected with invasive GAS need to be hospitalized with 8950–11,500 episodes and 1050-1850 deaths taking place each year. A later study that occurred from 2005 to 2012 found that there were 10,649-13,434 cases consequently resulting in 1136-1607 deaths per year.
511: 781:(PSGN) is an uncommon complication of either a strep throat or a streptococcal skin infection. It is classified as a type III hypersensitivity reaction. Symptoms of PSGN develop within 10 days following a strep throat or 3 weeks following a GAS skin infection. PSGN involves inflammation of the kidney. Symptoms include pale skin, lethargy, loss of appetite, headache, and dull back pain. Clinical findings may include dark-colored urine, swelling of different parts of the body (edema), and high blood pressure. Treatment of PSGN consists of supportive care. 66: 40: 535:. The rapid pyrrolidonyl arylamidase (PYR) test is commonly used, wherein a positive reaction confers a presumptive identification of group A beta-hemolytic streptococci if the appearance and clinical context is consistent. GBS gives a negative finding on the PYR test test. There are also latex agglutination kits which can distinguish each of the main groups seen in clinical practice. 808:(pediatric acute-onset neuropsychiatric syndrome) and CANS (childhood acute neuropsychiatric syndrome). The CANS/PANS hypotheses include different possible mechanisms underlying acute-onset neuropsychiatric conditions, but do not exclude GABHS infections as a cause in a subset of individuals. PANDAS, PANS and CANS are the focus of clinical and laboratory research but remain unproven. 622:
Cases of GAS are still present today, but were also evident before World War I. This was shown by a training camp located in Texas, where a harmful strain of pneumonia complicating measles was caused by a strain of Streptococcus. Existence of streptococci strains was additionally found in World War
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of GAS) which is indicated by the change in numerous hospitals from containing wards allocated for the sole purpose of treating rheumatic fever to hardly seeing the disease at all. Environmental factors, such as less crowding and the increase of family living space, can account for the reduction in
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may be more susceptible to certain diseases caused by GAS than other persons with intact immune systems. A 2019 study shows that GAS's evasion of immune detection is facilitated by protein S, an extracellular and cell wall-associated protein that enables it to camouflage itself by binding fragments
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O'Loughlin, R. E.; Roberson, A.; Cieslak, P. R.; Lynfield, R.; Gershman, K.; Craig, A.; Albanese, B. A.; Farley, M. M.; Barrett, N. L.; Spina, N. L.; Beall, B. (2007-10-01). "The Epidemiology of Invasive Group A Streptococcal Infection and Potential Vaccine Implications: United States, 2000-2004".
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guidance is that, for a number of reasons, close contacts should not receive antibiotics unless they are symptomatic but that they should receive information and advice to seek immediate medical attention if they develop symptoms. However, guidance is clearer in the case of mother-baby pairs: both
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de Loizaga SR, Arthur L, Arya B, Beckman B, Belay W, Brokamp C, Hyun Choi N, Connolly S, Dasgupta S, Dibert T, Dryer MM, Gokanapudy Hahn LR, Greene EA, Kernizan D, Khalid O, Klein J, Kobayashi R, Lahiri S, Lorenzoni RP, Otero Luna A, Marshall J, Millette T, Moore L, Muhamed B, Murali M, Parikh K,
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Severe Group A streptococcal infections often occur sporadically but can be spread by person-to-person contact. Close contacts of people affected by severe Group A streptococcal infections, defined as those having had prolonged household contact in the week before the onset of illness, may be at
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Group A β-hemolytic streptococcus can cause infections of the throat and skin. These may vary from very mild conditions to severe, life-threatening diseases. Although it is not completely clear what causes different people to develop different diseases as a result of infection with the same
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were carried out in a 20 yearlong (1953/1954-1973/1974) study performed in Nashville, TN. Also, from 1972 to 1974, recurring GAS illness was observed with a prevalence of 19 percent in school-aged children as well as a prevalence rate of 25 percent in families. The severity of streptococcal
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Although common in developing countries, ARF is rare in the United States, possibly secondary to improved antibiotic treatment, with small isolated outbreaks reported only occasionally. It is most common among children between 5 and 15 years old and occurs 1–3 weeks after an untreated GAS
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The 30-valent N-terminal M-protein-based vaccine as well as the M-protein vaccine (minimal epitope J8 vaccine) are two vaccines for GAS that are currently getting close or becoming clinical studies, however, other vaccines using conserved epitopes are progressing.
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Falagas ME, Vouloumanou EK, Matthaiou DK, Kapaskelis AM, Karageorgopoulos DE (2008). "Effectiveness and safety of short-course vs long-course antibiotic therapy for group a beta hemolytic streptococcal tonsillopharyngitis: a meta-analysis of randomized trials".
804:(pediatric autoimmune neuropsychiatric disorders associated with streptococcal infections), a condition thought to be triggered by GABHS infections. The PANDAS hypothesis is unconfirmed and unsupported by data, and two new categories have been proposed: 759:, can occur months after an initial attack, causing jerky involuntary movements, muscle weakness, slurred speech, and personality changes. Initial episodes of ARF, as well as recurrences, can be prevented by treatment with appropriate antibiotics. 2330: 594:
is appropriate if deep oropharyngeal abscesses are present, in conjunction with aspiration or drainage. In cases of streptococcal toxic shock syndrome, treatment consists of penicillin and clindamycin, given with intravenous immunoglobulin.
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Guidelines for management of contacts of cases of invasive group A streptococcal disease (GAS) including streptococcal toxic shock syndrome (STSS) and necrotising fasciitis. Toronto, Ontario: Ministry of Health; 1995. Available at:
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For toxic shock syndrome and necrotizing fasciitis, high-dose penicillin and clindamycin are used. Additionally, for necrotizing fasciitis, surgery is often needed to remove damaged tissue and stop the spread of the infection.
752:(usually over the spine or other bony areas) and a red expanding rash on the trunk and extremities that recurs over weeks to months. Because of the different ways ARF presents itself, the disease may be difficult to diagnose. 103:
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 severe and life-threatening, and is called an invasive GAS (iGAS).
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Example of a workup algorithm of possible bacterial infection in cases with no specifically requested targets (non-bacteria, mycobacteria etc.), with most common situations and agents seen in a New England setting. Main
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HOUSER HB, WANNAMAKER LW, RAMMELKAMP CH, DENNY FW, BRINK WR, HAHN EO, DINGLE JH (1950). "Prophylaxis of acute rheumatic fever by treatment of the preceding streptococcal infection with various amounts of penicillin".
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The treatment of choice is penicillin, and the duration of treatment is around 10 days. Antibiotic therapy (using injected penicillin) has been shown to reduce the risk of acute rheumatic fever. In individuals with a
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The invasive infections caused by Group A β-hemolytic streptococcus tend to be more severe and less common. These occurs when the bacterium is able to infect areas where bacteria are not usually found, such as
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Nelson, George E.; Pondo, Tracy; Toews, Karrie-Ann; Farley, Monica M.; Lindegren, Mary Lou; Lynfield, Ruth; Aragon, Deborah; Zansky, Shelley M.; Watt, James P.; Cieslak, Paul R.; Angeles, Kathy (2016-08-15).
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mother and baby should be treated if either develops an invasive GAS infection within the first 28 days following birth (though some evidence suggests that this guidance is not routinely followed in the UK).
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II. An epidemic of streptococcal infection in the United States Navy during this war indicated that this type of disease was able to exist and spread in formerly unexposed individuals by environments that
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Wierzbicki, I. H.; Campeau, A.; Dehaini, D.; Holay, M.; Wei, X.; Greene, T.; Ying, M.; Sands, J. S.; Lamsa, A.; Zuniga, E.; Pogliano, K.; Fang, R. H.; Larock, C. N.; Zhang, L.; Gonzalez, D. J. (2019).
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is most commonly patient noncompliance, but in cases where patients have been compliant with their antibiotic regimen, and treatment failure still occurs, another course of antibiotic treatment with
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worldwide, causing serious infection and, if not promptly diagnosed and treated, death in newly delivered mothers. Severe GAS disease may also occur in healthy persons with no known risk factors.
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No instance of penicillin resistance has been reported to date, although since 1985, many reports of penicillin tolerance have been made. The reason for the failure of penicillin to treat
1177:"Incidence and clinical and microbiological features of invasive and probable invasive streptococcal group A infections in children and adults in the Brussels-Capital Region, 2005–2020" 2386: 737:
Further endocarditis can develop with aseptic vegetations along the valve closure lines, in particular the mitral valve. Chronic rheumatic heart disease mostly affects the
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Zorzoli, Azul; Meyer, Benjamin H.; Adair, Elaine; Torgov, Vladimir I.; Veselovsky, Vladimir V.; Danilov, Leonid L.; Uhrin, Dusan; Dorfmueller, Helge C. (18 October 2019).
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types of group A streptococci preferred. In later years, a positive test result for the presence of group A streptococci was found in 32.1 percent of individuals after
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Fact Sheet "Group A Streptococcal Infections", dated March 1999. As a work of the U.S. Federal Government without any other copyright notice, this is assumed to be a
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Zangarini L, Martiny D, Miendje Deyi VY, Hites M, Maillart E, Hainaut M, Delforge M, Botteaux A, Matheeussen V, Goossens H, Hallin M, Smeesters P, Dauby N (2023).
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present in the environment and the large amount of time and number of people that will be needed for appropriate trials for safety and efficacy of the vaccine.
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The non-invasive infections caused by GAS tend to be less severe and more common. They occur when the bacteria colonizes the throat area, where it recognizes
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policies internationally reflect differing views of how the close contacts of people affected by severe Group A streptococcal infections should be treated.
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infection, although research has been conducted into the development of one. Difficulties in developing a vaccine include the wide variety of strains of
1717:"Polyspecific Intravenous Immunoglobulin in Clindamycin-treated Patients With Streptococcal Toxic Shock Syndrome: A Systematic Review and Meta-analysis" 1547: 1253: 2694: 1384: 857: 59: 1325: 1227: 1772:
Kim KS, Kaplan EL (1985). "Association of penicillin tolerance with failure to eradicate group A streptococci from patients with pharyngitis".
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Sanyahumbi A, Shakti D, Stein E, Shah S, Wilkins H, Windom M, Wirth S, Zimmerman M, Beck AF, Ollberding N, Sable C, Beaton A (August 2021).
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pharyngitis, but caution is advised when interpreting the demographics of the contemporary picture of pediatric cases in the United States.
2828: 885:"Group A, B, C, and G Streptococcus Lancefield antigen biosynthesis is initiated by a conserved α-d-GlcNAc-β-1,4-l-rhamnosyltransferase" 1373: 789: 3240: 3064: 2445: 1896: 1149: 1102: 1050:"Group A Streptococcal S Protein Utilizes Red Blood Cells as Immune Camouflage and Is a Critical Determinant for Immune Evasion" 2669: 2649: 510: 723: 1668:"Ampicillin + sulbactam vs clindamycin +/- cephalosporin for the treatment of aspiration pneumonia and primary lung abscess" 392:
Some strains of group A streptococci (GAS) cause severe infection. Severe infections are usually invasive, meaning that the
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as a treatment for group A streptococcus, cases of iGAS are an increasing problem, particularly on the continent of Africa.
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Carapetis, JR; Steer, AC; Mulholland, EK; Weber, M (November 2005). "The global burden of group A streptococcal diseases".
2572: 2381: 2272: 711:(involuntary, purposeless movement). The most common clinical finding is a migratory arthritis involving multiple joints. 1452: 3207: 2881: 2490: 2589: 1666:
Allewelt, M.; Schüler, P.; Bölcskei, P. L.; Mauch, H.; Lode, H.; Study Group on Aspiration Pneumonia (February 2004).
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infections are best prevented through effective hand hygiene. No vaccines are currently available to protect against
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and the US CDC recommend close contacts see their doctor for full evaluation and may require antibiotics; current UK
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can develop with a classic friction rub that can be auscultated. This will give increasing pain upon reclining.
730:. One of the most serious complications is pancarditis, or inflammation of all three heart tissues. A fibrinous 3102: 3096: 2803: 2710: 2663: 2509: 2390: 1961:"Rheumatic Heart Disease in the United States: Forgotten But Not Gone: Results of a 10 Year Multicenter Review" 564: 498: 380: 135: 129: 2141:
Zibordi F, Zorzi G, Carecchio M, Nardocci N (March 2018). "CANS: Childhood acute neuropsychiatric syndromes".
1551: 741:, which can become thickened with calcification of the leaflets, often causing fusion of the commissures and 3053: 2764: 2559: 1326:"Interim UK guidelines for management of close community contacts of invasive group A streptococcal disease" 763: 3159: 2952: 2611: 2566: 2515: 2276: 1280:"Familial transmission of a serious disease producing group A streptococcus clone:case reports and review" 100: 84: 3180: 3173: 3012: 2822: 2758: 2533: 1388: 861: 688: 677: 279: 232: 125: 89: 176:
of GAS can influence the epigenetics of the host. Furthermore, persons with suppressed or compromised
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autoimmune process. Its potential effect was described in 1998 by the controversial hypothesis called
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or sores on the skin. GAS infections can cause over 500,000 deaths per year. Despite the emergence of
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Dale RC (December 2017). "Tics and Tourette: a clinical, pathophysiological and etiological review".
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Marazziti D, Mucci F, Fontenelle LF (July 2018). "Immune system and obsessive-compulsive disorder".
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In addition, infection of GAS may lead to further complications and health conditions, namely acute
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and show no symptoms. These carriers are less contagious than symptomatic carriers of the bacteria.
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Parks, Tom; Wilson, Clare; Curtis, Nigel; Norrby-Teglund, Anna; Sriskandan, Shiranee (2018-11-01).
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Pediatric autoimmune neuropsychiatric disorders associated with streptococcal infections (PANDAS)
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Wilbur C, Bitnun A, Kronenberg S, Laxer RM, Levy DM, Logan WJ, Shouldice M, Yeh EA (May 2019).
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serology test must confirm the GAS infection. Other minor Jones Criteria are fever, elevated
3150: 2238: 2197: 2189: 2150: 2100: 2050: 1980: 1972: 1924: 1884: 1840: 1824: 1781: 1744: 1728: 1679: 1583: 1519: 1511: 1500:"Strategies in the development of vaccines to prevent infections with group A streptococcus" 1432: 1422: 1291: 1198: 1188: 1069: 1061: 996: 959: 906: 896: 756: 719: 449: 433: 374:(*Note that meningitis, sinusitis and pneumonia can all be caused by Group A Strep, but are 318: 196: 173: 140: 1813:"Epidemiology of Invasive Group A Streptococcal Infections in the United States, 2005–2012" 2923: 2637: 2464: 708: 656: 453: 247: 224: 2363: 1278:
Gamba MA, Martinelli M, Schaad HJ, Streuli RA, DiPersio J, Matter L, et al. (1997).
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is performed to show Gram-positive cocci in chains. Then, the organism is cultured on
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Streptococcus pyogenes: Basic Biology to Clinical Manifestations [Internet]
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has entered parts of the body where bacteria are not usually found, such as the
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is also a non-invasive infection caused by GAS, although much less common.
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are hypothesized to arise in a subset of children as a result of a post-
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Note: Elements of the original text of this article are taken from the
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infections has decreased over the years, and so has rheumatic fever (a
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users and homeless also are at high risk. GAS is an important cause of
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Streptococcus pyogenes : Basic Biology to Clinical Manifestations
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Health Protection Agency, Group A Streptococcus Working Group (2004).
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Diagnosis is by a swab of the affected area for laboratory testing. A
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Ferretti, Joseph J; Stevens, Dennis L; Fischetti, Vincent A (2016).
1928: 1296: 1279: 964: 947: 827:"274. Nonpneumococcal streptococcal infections and rheumatic fever" 199:. The two most prominent infections of GAS are both non-invasive: 509: 468: 397: 322: 220: 108: 2019:. Oklahoma City: University of Oklahoma Health Sciences Center. 1129:"Streptococcal Infections: What is Group A Strepotococcus (GAS)" 401: 331: 283: 275: 185: 2399: 1548:"Initiative for Vaccine Research (IVR) – Group A Streptococcus" 825:
Stevens, Dennis L.; Bryant, Amy E.; Hagman, Melissa M. (2020).
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histologically and RHD is a non-inflammatory sequela of ARF.
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can be associated with these infections, but is not typical.
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Group A streptococcal infections—Frequently Asked Questions
1254:"After Boy's Death, Hospital Alters Discharging Procedures" 766:. ARF is an acute inflammatory reaction with pathognomonic 172:
factors are the source of such variation. Indeed, the many
2011:; Beaton, A.; Raghu, A.; Steer, A.; Carapetis, J. (2016). 479:
as well as cultures of blood or fluid from a wound site.
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Infection of GAS may spread through direct contact with
2178:"PANDAS/PANS in childhood: Controversies and evidence" 1105:. New York City Department of Health a. Archived from 211:. These may be effectively treated with antibiotics. 1879:
Quinn, Robert W. (1982), "Streptococcal Infections",
941: 939: 937: 2312: 3197: 3149: 3140: 3113: 3079: 3043: 3002: 2986: 2977: 2940: 2897: 2849: 2812: 2801: 2786: 2742: 2709: 2680: 2648: 2597: 2588: 2526: 2498: 2489: 2478: 2463: 2454: 2349: 2316: 2227:"Treatment of PANDAS and PANS: a systematic review" 2013:"Acute Rheumatic Fever and Rheumatic Heart Disease" 1150:"Streptococcal Infections (Invasive Group A Strep)" 1103:"Streptococcal Infections (Invasive Group A Srtep)" 53: 32: 139:, which cause other types of infections. Several 1409:Howard, SJ; Stoker, K; Foster, K (16 June 2015). 2086: 2084: 2082: 2080: 1498:Good MF, Batzloff MR, Pandey M (November 2013). 1029:. U.S. Department of Health & Human Services 2225:Sigra S, Hesselmark E, Bejerot S (March 2018). 412:. Those at greatest risk include children with 143:contribute to the pathogenesis of GAS, such as 2136: 2134: 2132: 2130: 1415:Antimicrobial Resistance and Infection Control 946:Cohen-Poradosu, Ronit; Kasper, Dennis (2007). 829:. In Goldman, Lee; Schafer, Andrew I. (eds.). 2411: 1319: 1317: 1315: 8: 1228:"An Infection, Unnoticed, Turns Unstoppable" 714:Other indicators of GAS infection such as a 579:have been shown to be effective treatments. 184:Humans may also carry the GAS either on the 2036: 2034: 1550:. World Health Organization. Archived from 1493: 1491: 687:ARF is often clinically diagnosed based on 3146: 2999: 2983: 2809: 2798: 2594: 2495: 2486: 2475: 2460: 2418: 2404: 2396: 2313: 1027:Centers for Disease Control and Prevention 64: 38: 29: 2242: 2201: 1984: 1844: 1748: 1683: 1523: 1464: 1462: 1436: 1426: 1295: 1202: 1192: 1097: 1095: 1093: 1073: 963: 910: 900: 852: 850: 762:It is important to distinguish ARF from 2695:Cutaneous Streptococcus iniae infection 1635: 1633: 1504:Human Vaccines & Immunotherapeutics 817: 1909: 1907: 1874: 1872: 1870: 1868: 1866: 1864: 1805: 1803: 459:All severe GAS infections may lead to 1023:"Group A Streptococcal (GAS) Disease" 858:"Group A Streptococcal (GAS) Disease" 779:Post-streptococcal glomerulonephritis 774:Post-streptococcal glomerulonephritis 647:Post-streptococcal glomerulonephritis 7: 2829:Staphylococcal scalded skin syndrome 343:(more common in pre-pubescent girls) 1672:Clinical Microbiology and Infection 755:A neurological disorder, Sydenham 25: 3065:Clostridial necrotizing enteritis 1883:, Springer US, pp. 525–552, 1685:10.1111/j.1469-0691.2004.00774.x 118:There are many other species of 76:Group A streptococcal infections 2670:Group B streptococcal infection 2618:Group A streptococcal infection 2378:Group A streptococcal infection 2244:10.1016/j.neubiorev.2018.01.001 1181:Eur J Clin Microbiol Infect Dis 889:Journal of Biological Chemistry 33:Group A streptococcal infection 2105:10.1016/j.psyneuen.2018.04.013 1881:Bacterial Infections of Humans 989:The Lancet Infectious Diseases 748:Other findings of ARF include 378:more commonly associated with 1: 2382:National Institutes of Health 1786:10.1016/S0022-3476(85)80392-9 1001:10.1016/S1473-3099(05)70267-X 790:Obsessive–compulsive disorder 384:and should not be confused.) 151:, and extracellular enzymes. 3208:Erysipelothrix rhusiopathiae 2055:10.1097/MOP.0000000000000546 1917:Clinical Infectious Diseases 1889:10.1007/978-1-4757-1140-0_29 1817:Clinical Infectious Diseases 1721:Clinical Infectious Diseases 1066:10.1016/j.celrep.2019.11.001 952:Clinical Infectious Diseases 278:which can be complicated by 164:, it is suspected that host 1428:10.1186/2047-2994-4-S1-P107 1252:Jim Dwyer (July 18, 2012). 1226:Jim Dwyer (July 11, 2012). 588:amoxicillin/clavulanic acid 3257: 2155:10.1016/j.ejpn.2018.01.011 1194:10.1007/s10096-023-04568-y 181:of lysed red blood cells. 2623:Streptococcal pharyngitis 465:multisystem organ failure 418:suppressed immune systems 46: 37: 3241:Streptococcal infections 3103:Pseudomembranous colitis 3097:Clostridioides difficile 2391:Health Protection Agency 2093:Psychoneuroendocrinology 1333:Commun Dis Public Health 902:10.1074/jbc.RA119.009894 519:groups are included as " 499:Health Protection Agency 381:Streptococcus pneumoniae 299:AKA strep pharyngitis – 136:Streptococcus pneumoniae 130:Streptococcus agalactiae 3054:Clostridium perfringens 2765:Urinary tract infection 1977:10.1161/JAHA.120.020992 764:rheumatic heart disease 424:; elderly persons with 3160:Ureaplasma urealyticum 2953:Listeria monocytogenes 2657:bacitracin resistant, 2516:Pneumococcal infection 2277:public domain resource 831:Goldman-Cecil Medicine 524: 250:and poststreptococcal 101:Gram-positive bacteria 85:Streptococcus pyogenes 48:Streptococcus pyogenes 3181:Mycoplasma pneumoniae 3174:Mycoplasma genitalium 3013:Clostridium botulinum 2759:Enterococcus faecalis 2534:Viridans streptococci 2231:Neurosci Biobehav Rev 2182:Paediatr Child Health 2143:Eur J Paediatr Neurol 1060:(10): 2979–2989.e15. 678:Acute rheumatic fever 673:Acute rheumatic fever 513: 440:; and persons taking 280:necrotizing fasciitis 233:necrotizing fasciitis 126:group B streptococcus 90:group A streptococcus 3187:Mycoplasma pneumonia 3166:Ureaplasma infection 2876:novobiocin resistant 2834:Toxic shock syndrome 2773:Enterococcus faecium 864:on December 19, 2007 667:Toxic shock syndrome 584:ampicillin/sulbactam 274:– infections of the 229:toxic shock syndrome 3119:(non-spore forming) 2729:Streptococcus bovis 2689:Streptococcus iniae 2437:Infectious diseases 1455:. 12 November 2013. 1156:on November 6, 2012 895:(42): 15237–15256. 750:erythema marginatum 705:erythema marginatum 162:pathogenic bacteria 60:Infectious diseases 3027:Clostridium tetani 2910:Bacillus anthracis 2527:optochin resistant 2442:Bacterial diseases 2350:External resources 2194:10.1093/pch/pxy145 1829:10.1093/cid/ciw248 1733:10.1093/cid/ciy401 1258:The New York Times 1232:The New York Times 1109:on 6 November 2012 565:penicillin allergy 525: 369:pulmonary alveolus 252:glomerulonephritis 155:Types of infection 3228: 3227: 3224: 3223: 3199:Anaeroplasmatales 3136: 3135: 3075: 3074: 2973: 2972: 2969: 2968: 2893: 2892: 2782: 2781: 2738: 2737: 2705: 2704: 2584: 2583: 2373: 2372: 2043:Curr Opin Pediatr 1554:on March 22, 2006 1421:(Suppl 1): P107. 840:978-0-323-55087-1 743:chordae tendineae 699:of large joints, 691:, which include: 523:" at bottom left. 485:risk of infection 388:Severe infections 174:virulence factors 141:virulence factors 73: 72: 27:Medical condition 16:(Redirected from 3248: 3151:Mycoplasmataceae 3147: 3127:Finegoldia magna 3000: 2984: 2882:S. saprophyticus 2810: 2799: 2595: 2496: 2487: 2476: 2461: 2420: 2413: 2406: 2397: 2314: 2304: 2265: 2264: 2246: 2222: 2216: 2215: 2205: 2173: 2167: 2166: 2138: 2125: 2124: 2088: 2075: 2074: 2038: 2029: 2028: 2009:Sika-Paotonu, D. 2005: 1999: 1998: 1988: 1965:J Am Heart Assoc 1955: 1949: 1948: 1911: 1902: 1901: 1876: 1859: 1858: 1848: 1807: 1798: 1797: 1769: 1763: 1762: 1752: 1727:(9): 1434–1436. 1712: 1706: 1705: 1687: 1663: 1657: 1656: 1654: 1652: 1637: 1628: 1627: 1606: 1600: 1599: 1588:10.4065/83.8.880 1570: 1564: 1563: 1561: 1559: 1544: 1538: 1537: 1527: 1516:10.4161/hv.25506 1495: 1486: 1485: 1483: 1481: 1466: 1457: 1456: 1449: 1443: 1442: 1440: 1430: 1406: 1400: 1399: 1397: 1396: 1387:. Archived from 1381: 1375: 1369: 1363: 1362: 1360: 1359: 1353: 1347:. Archived from 1330: 1321: 1310: 1309: 1299: 1275: 1269: 1268: 1266: 1264: 1249: 1243: 1242: 1240: 1238: 1223: 1217: 1216: 1206: 1196: 1172: 1166: 1165: 1163: 1161: 1146: 1140: 1139: 1137: 1135: 1125: 1119: 1118: 1116: 1114: 1099: 1088: 1087: 1077: 1045: 1039: 1038: 1036: 1034: 1019: 1013: 1012: 984: 978: 977: 967: 943: 932: 931: 929: 927: 914: 904: 880: 874: 873: 871: 869: 854: 845: 844: 822: 450:Intravenous drug 434:vascular disease 319:septic arthritis 197:epithelial cells 96:is a species of 78:are a number of 69: 68: 42: 30: 21: 3256: 3255: 3251: 3250: 3249: 3247: 3246: 3245: 3231: 3230: 3229: 3220: 3193: 3132: 3109: 3071: 3039: 2965: 2936: 2924:Bacillus cereus 2889: 2845: 2790: 2778: 2734: 2701: 2676: 2644: 2638:Rheumatic fever 2580: 2522: 2467: 2465:Lactobacillales 2450: 2424: 2374: 2369: 2368: 2345: 2344: 2325: 2311: 2288: 2285: 2283:Further reading 2269: 2268: 2224: 2223: 2219: 2175: 2174: 2170: 2140: 2139: 2128: 2090: 2089: 2078: 2040: 2039: 2032: 2007: 2006: 2002: 1971:(16): e020992. 1957: 1956: 1952: 1913: 1912: 1905: 1899: 1878: 1877: 1862: 1809: 1808: 1801: 1771: 1770: 1766: 1714: 1713: 1709: 1665: 1664: 1660: 1650: 1648: 1640:Khan, Zartash. 1639: 1638: 1631: 1608: 1607: 1603: 1572: 1571: 1567: 1557: 1555: 1546: 1545: 1541: 1497: 1496: 1489: 1479: 1477: 1470:"Group A Strep" 1468: 1467: 1460: 1451: 1450: 1446: 1408: 1407: 1403: 1394: 1392: 1383: 1382: 1378: 1370: 1366: 1357: 1355: 1351: 1328: 1323: 1322: 1313: 1284:Clin Infect Dis 1277: 1276: 1272: 1262: 1260: 1251: 1250: 1246: 1236: 1234: 1225: 1224: 1220: 1174: 1173: 1169: 1159: 1157: 1148: 1147: 1143: 1133: 1131: 1127: 1126: 1122: 1112: 1110: 1101: 1100: 1091: 1047: 1046: 1042: 1032: 1030: 1021: 1020: 1016: 986: 985: 981: 945: 944: 935: 925: 923: 882: 881: 877: 867: 865: 856: 855: 848: 841: 824: 823: 819: 814: 787: 776: 709:sydenham chorea 675: 657:Rheumatic fever 643: 629:throat cultures 620: 582:Treatment with 560: 541: 508: 454:puerperal fever 416:; persons with 390: 248:rheumatic fever 157: 63: 28: 23: 22: 15: 12: 11: 5: 3254: 3252: 3244: 3243: 3233: 3232: 3226: 3225: 3222: 3221: 3219: 3218: 3217: 3216: 3203: 3201: 3195: 3194: 3192: 3191: 3190: 3189: 3177: 3170: 3169: 3168: 3155: 3153: 3144: 3138: 3137: 3134: 3133: 3131: 3130: 3122: 3120: 3111: 3110: 3108: 3107: 3106: 3105: 3092: 3090: 3082:Clostridioides 3077: 3076: 3073: 3072: 3070: 3069: 3068: 3067: 3062: 3049: 3047: 3041: 3040: 3038: 3037: 3036: 3035: 3023: 3022: 3021: 3008: 3006: 2997: 2981: 2975: 2974: 2971: 2970: 2967: 2966: 2964: 2963: 2962: 2961: 2948: 2946: 2938: 2937: 2935: 2934: 2933: 2932: 2930:Food poisoning 2920: 2919: 2918: 2905: 2903: 2895: 2894: 2891: 2890: 2888: 2887: 2886: 2885: 2873: 2872: 2871: 2868:S. epidermidis 2855: 2853: 2847: 2846: 2844: 2843: 2842: 2841: 2836: 2831: 2818: 2816: 2807: 2804:Staphylococcus 2796: 2784: 2783: 2780: 2779: 2777: 2776: 2769: 2768: 2767: 2750: 2748: 2740: 2739: 2736: 2735: 2733: 2732: 2721: 2715: 2713: 2707: 2706: 2703: 2702: 2700: 2699: 2698: 2697: 2684: 2682: 2678: 2677: 2675: 2674: 2673: 2672: 2654: 2652: 2646: 2645: 2643: 2642: 2641: 2640: 2635: 2630: 2625: 2620: 2603: 2601: 2592: 2586: 2585: 2582: 2581: 2579: 2578: 2570: 2563: 2556: 2549: 2542: 2530: 2528: 2524: 2523: 2521: 2520: 2519: 2518: 2505: 2503: 2493: 2484: 2473: 2458: 2452: 2451: 2449: 2448: 2439: 2425: 2423: 2422: 2415: 2408: 2400: 2394: 2393: 2384: 2371: 2370: 2367: 2366: 2364:article/971097 2354: 2353: 2351: 2347: 2346: 2343: 2342: 2326: 2321: 2320: 2318: 2317:Classification 2310: 2309:External links 2307: 2306: 2305: 2284: 2281: 2267: 2266: 2217: 2168: 2149:(2): 316–320. 2126: 2076: 2049:(6): 665–673. 2030: 2000: 1950: 1929:10.1086/521264 1923:(7): 853–862. 1903: 1897: 1860: 1823:(4): 478–486. 1799: 1764: 1707: 1678:(2): 163–170. 1658: 1629: 1612:J Lab Clin Med 1601: 1576:Mayo Clin Proc 1565: 1539: 1510:(11): 2393–7. 1487: 1458: 1444: 1401: 1376: 1364: 1311: 1297:10.1086/513636 1290:(6): 1118–21. 1270: 1244: 1218: 1187:(5): 555–567. 1167: 1141: 1120: 1089: 1040: 1014: 995:(11): 685–94. 979: 965:10.1086/521263 933: 875: 846: 839: 816: 815: 813: 810: 786: 783: 775: 772: 768:Aschoff bodies 689:Jones Criteria 674: 671: 670: 669: 664: 659: 654: 649: 642: 639: 619: 616: 608:cephalosporins 577:cephalosporins 559: 556: 540: 537: 507: 504: 444:treatments or 389: 386: 372: 371: 362: 353: 344: 334: 325: 316: 304: 303: 294: 178:immune systems 156: 153: 98:beta-hemolytic 71: 70: 57: 51: 50: 44: 43: 35: 34: 26: 24: 14: 13: 10: 9: 6: 4: 3: 2: 3253: 3242: 3239: 3238: 3236: 3215: 3212: 3211: 3210: 3209: 3205: 3204: 3202: 3200: 3196: 3188: 3185: 3184: 3183: 3182: 3178: 3176: 3175: 3171: 3167: 3164: 3163: 3162: 3161: 3157: 3156: 3154: 3152: 3148: 3145: 3143: 3139: 3129: 3128: 3124: 3123: 3121: 3118: 3117: 3112: 3104: 3101: 3100: 3099: 3098: 3094: 3093: 3091: 3088: 3084: 3083: 3078: 3066: 3063: 3061: 3058: 3057: 3056: 3055: 3051: 3050: 3048: 3046: 3042: 3034: 3031: 3030: 3029: 3028: 3024: 3020: 3017: 3016: 3015: 3014: 3010: 3009: 3007: 3005: 3001: 2998: 2995: 2991: 2990: 2985: 2982: 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2525: 2517: 2514: 2513: 2512: 2511: 2510:S. pneumoniae 2507: 2506: 2504: 2501: 2497: 2494: 2492: 2488: 2485: 2483: 2482: 2481:Streptococcus 2477: 2474: 2471: 2466: 2462: 2459: 2457: 2453: 2447: 2443: 2440: 2438: 2434: 2430: 2427: 2426: 2421: 2416: 2414: 2409: 2407: 2402: 2401: 2398: 2392: 2388: 2385: 2383: 2379: 2376: 2375: 2365: 2361: 2360: 2356: 2355: 2352: 2348: 2341: 2337: 2336: 2332: 2328: 2327: 2324: 2319: 2315: 2308: 2302: 2298: 2294: 2293: 2287: 2286: 2282: 2280: 2278: 2274: 2262: 2258: 2254: 2250: 2245: 2240: 2236: 2232: 2228: 2221: 2218: 2213: 2209: 2204: 2199: 2195: 2191: 2187: 2183: 2179: 2172: 2169: 2164: 2160: 2156: 2152: 2148: 2144: 2137: 2135: 2133: 2131: 2127: 2122: 2118: 2114: 2110: 2106: 2102: 2098: 2094: 2087: 2085: 2083: 2081: 2077: 2072: 2068: 2064: 2060: 2056: 2052: 2048: 2044: 2037: 2035: 2031: 2026: 2022: 2018: 2014: 2010: 2004: 2001: 1996: 1992: 1987: 1982: 1978: 1974: 1970: 1966: 1962: 1954: 1951: 1946: 1942: 1938: 1934: 1930: 1926: 1922: 1918: 1910: 1908: 1904: 1900: 1898:9781475711424 1894: 1890: 1886: 1882: 1875: 1873: 1871: 1869: 1867: 1865: 1861: 1856: 1852: 1847: 1842: 1838: 1834: 1830: 1826: 1822: 1818: 1814: 1806: 1804: 1800: 1795: 1791: 1787: 1783: 1779: 1775: 1768: 1765: 1760: 1756: 1751: 1746: 1742: 1738: 1734: 1730: 1726: 1722: 1718: 1711: 1708: 1703: 1699: 1695: 1691: 1686: 1681: 1677: 1673: 1669: 1662: 1659: 1647: 1643: 1636: 1634: 1630: 1625: 1621: 1617: 1613: 1605: 1602: 1597: 1593: 1589: 1585: 1581: 1577: 1569: 1566: 1553: 1549: 1543: 1540: 1535: 1531: 1526: 1521: 1517: 1513: 1509: 1505: 1501: 1494: 1492: 1488: 1475: 1471: 1465: 1463: 1459: 1454: 1448: 1445: 1439: 1434: 1429: 1424: 1420: 1416: 1412: 1405: 1402: 1391:on 2007-12-19 1390: 1386: 1380: 1377: 1374: 1368: 1365: 1354:on 2008-06-25 1350: 1346: 1342: 1339:(4): 354–61. 1338: 1334: 1327: 1320: 1318: 1316: 1312: 1307: 1303: 1298: 1293: 1289: 1285: 1281: 1274: 1271: 1259: 1255: 1248: 1245: 1233: 1229: 1222: 1219: 1214: 1210: 1205: 1200: 1195: 1190: 1186: 1182: 1178: 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Index

Strep A

Specialty
Infectious diseases
Edit this on Wikidata
infections
Streptococcus pyogenes
group A streptococcus
beta-hemolytic
Gram-positive bacteria
mucus
antibiotics
Streptococcus
group B streptococcus
Streptococcus agalactiae
Streptococcus pneumoniae
virulence factors
M protein
hemolysins
pathogenic bacteria
phenotypic
epigenetic
virulence factors
immune systems
skin
throat
epithelial cells
strep throat
pharyngitis
impetigo

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