Group A Escherichia coli-Related Purpura Fulminans: an Unusual Manifestation Due to an Unusual Strain?

ABSTRACT We describe an exceptional case of life-threatening group A Escherichia coli-induced purpura fulminans. Genotyping of common polymorphisms in genes involved in innate immunity or coagulation did not reveal known susceptibility to such a manifestation. Genetic analysis of the strain revealed an unusual conserved virulence plasmidic region, pointing out its potential virulence.

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