To Evaluate the Treatment Effect of an Anti-Infective Agent for Complicated Infections (0826-053)

Inclusion Criteria: * Male or female patients, 18 years of age or older * Patients present with at least two of the following signs and symptom: * fever (temperature\> 38c or \< 36c) * heart rate \> 90 beats/min) * respiratory rate\> 20 breaths/min) * high white blood cell count \> 12,000/ul or \>10% bands) Exclusion Criteria: * Patient has a history of allergy or hypersensitivity (anaphylaxis) or serious adverse reaction to ertapenem or any carbapenem * Patient has a poor chance of survival for more than 14 days. * Patient has an apache ii score \> 15 (see attachment 3. * Patient has an infection caused by pathogens resistant to ertapenem * The patient requires antibiotics other than ertapenem (such as: glycopeptides, macrolides or antifungal agents)