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Meningitis caused by an unusual genotype (ST3) of Streptococcus suis

A I Vela1, C Aspiroz, B Fortuño

  • 1Centro de Vigilancia Sanitaria Veterinaria (VISAVET), Universidad Complutense, 28040, Madrid, Spain.

Infection
|December 18, 2012
PubMed

Insights

This case report details Streptococcus suis ST3 meningitis, a rare cause of human infection. The patient experienced severe vision loss due to endophthalmitis, highlighting a new clinical concern.

Area of Science:

  • Infectious Diseases
  • Microbiology
  • Ophthalmology

Background:

  • Streptococcus suis is an emerging zoonotic pathogen.
  • Certain genotypes of S. suis are associated with specific animal hosts.
  • ST3 genotype of S. suis has been previously isolated from carrier pigs.

Observation:

  • A patient presented with meningitis caused by Streptococcus suis.
  • The bacterial pathogen was identified in blood samples.
  • The specific S. suis genotype was identified as ST3.

Findings:

  • This is the first reported case of invasive human infection with Streptococcus suis ST3 genotype.
  • The patient developed endogenous bilateral endophthalmitis.
  • Severe visual deficiency was a consequence of the endophthalmitis.

Implications:

  • The findings suggest that Streptococcus suis ST3 may pose a previously unrecognized risk for invasive human infections.
  • This case expands the spectrum of clinical manifestations associated with S. suis infections.
  • Ophthalmologists and infectious disease specialists should be aware of this potential pathogen and its severe ocular complications.

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