• Levofloxacin
• Tetracyclines

Aerobic, gram-negative bacillus

• Reservoir in warm water sources (ponds, lakes, hot tubs, etc.)
• Occurs in outbreaks
• Person-to-person transmission not documented.

• Pneumonia (Legionnaires disease)
• Pontiac fever (self-limited febrile illness, no antibiotic treatment necessary)
• Extrapulmonary infections rare, but include endocarditis