A Study to Assess the Efficacy and Safety of IV/PO Moxifloxacin in Subjects With Community-acquired Pneumonia

IV therapy: every 24 hours, patients will be administered a 400 mg moxifloxacin infusion over 60 minutes. Oral therapy: patients will be administered a single moxifloxacin 400 mg tablet, every 24 hours

IV therapy: every 24 hours patients will be administered a 2 g ceftriaxone infusion over 30 minutes. Following the infusion with ceftriaxone, patients will be administered a 500 mg azithromycin infusion over 180 minutes.Oral therapy: every 8 hours patients will be administered a 1000 mg amoxicillin/clavulanic acid tablet. Every 12 hours patients will be administered a 500 mg clarithromycin tablet.