Fulminant septic shock due to community-acquired pneumonia caused by Legionella pneumophila SG1 Olda OLDA ST1. Case report

J Infect Public Health. 2024 Jun;17(6):1047-1049. doi: 10.1016/j.jiph.2024.04.019. Epub 2024 Apr 25.

Abstract

Legionellers' desease accounts for 1-8 % of cases of severe community-acquired pneumonia (CAP). Legionella spp. Is the causative organism that can result in respiratory failure, multi-organ dysfunction, sepsis, and death. Therefore, rapid diagnosis and efficient treatment are crucial. We report the clinical and microbiology study of a patient with community-acquired pneumonia caused by Legionella pneumophila, with fatal outcome. After death, the strain causing the infection was identified as Legionella pneumophila serogroup 1, Olda OLDA phenotype and sequence-type 1. This is the first reported case of septic shock and death associated with an isolate of these characteristics.

Keywords: Community-adquired pneumonia; Legionella pneumophila; Legionnaires' disease; Septic shock.

Publication types

  • Case Reports

MeSH terms

  • Community-Acquired Infections* / diagnosis
  • Community-Acquired Infections* / drug therapy
  • Community-Acquired Infections* / microbiology
  • Fatal Outcome
  • Humans
  • Legionella pneumophila* / genetics
  • Legionella pneumophila* / isolation & purification
  • Legionnaires' Disease* / diagnosis
  • Legionnaires' Disease* / microbiology
  • Male
  • Serogroup
  • Shock, Septic* / microbiology