Francisella philomiragia

• Gram-negative bacillus in the genus Francisella
• Produces β-lactamases including a chromosomal carbapenemase
• Found in brackish and salt water
• Low virulence in humans
• Susceptible to aminoglycosides, cefoxitin, cefotaxime, fluoroquinolones, tetracycline, chloramphenicol
  • Likely best agents are aminoglycosides and fluoroquinolones based on in vitro data