Legionella

  • Gram (-) fastidious bacilli
  • Mesophilic (20-45°C)
  • Obligate aerobe, motile
Legionella pneumophila
Disease Association
  • Legionnaires Disease
  • Pontiac Fever
  • Wound abscesses
  • encephalitis
  • endocarditis
Direct Directions

0.1% Fuchsin substituted for safranin in the gram stain

  • Tissue sections use silver or
    giemsa stains
Media and Cultivation Two agar plates (atleast one BCYE)