A Multicenter, Multinational, Randomized, Double-blind Study to Evaluate the Efficacy and Safety of Ceftaroline fosamil Versus Ceftriaxone Plus Vancomycin in Adult Subjects with Community-acquired Bacterial Pneumonia at Risk for Infection Due to Methicill

� Evaluate the efficacy of ceftaroline and azithromycin versus ceftriaxone and azithromycin plus vancomycin in adult subjects with community-acquired bacterial pneumonia (CABP) at risk for infection due to methicillin-resistant taphylococcus aureus (MRSA) � Evaluate the safety of ceftaroline and azithromycin versus ceftriaxone and azithromycin plus vancomycin in adult subjects with CABP at risk for infection due to MRSA � Evaluate the pharmacokinetics of ceftaroline in adult subjects with CABP at risk for infection due to MRSA