An erythrogenic toxin is a toxin produced by strains of Streptococcus pyogenes, the primary cause of scarlet fever. Past studies have shown that multiple variants of erythrogenic toxins may be produced, depending on the strain of S. pyogenes present in the host. A small percentage of strains may not produce a detectable toxin at all. The erythrogenic toxin is also referred to in the literature as Streptococcal Pyrogenic Exotoxin types A, B, and C (SPE-A, SPE-B, SPE-C). (Patrick M Schlievert, Journal of Infectious Diseases, 1989.)
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- Knöll; Srámek, Vrbová, Gerlach, Reichardt, Köhler (December 1991). "Scarlet fever and types of erythrogenic toxins produced by the infecting streptococcal strains". Zentralbl Bakteriol 276 (1): 94–106. PMID 1789905.
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