To collect clinical response data with the use of ertapenem in approved indications.

Inclusion Criteria:

• Male or female patients, 20 years of age or older
• Patients did not receive any systemic antibiotic before enrollment, or patients with failed clinical response (no improvement on symptoms or laboratory data) through previous antibiotic treatment
• Patients who required therapy prior to identification of cause of infection

Exclusion Criteria:

• Patient has a concomitant infection that may interfere with the evaluation of the response to ertapenem
• Patient has an apache ii > 30.
• Patient has an infection caused by pathogens resistant to ertapenem
• Patients with known allergy to ertapenem or other drugs in the same carbapenem class, beta - lactams, lidocaine or local anesthetics of the amide type
• The patient requires antibiotics other than ertapenem (such as: glycopeptides, macrolides or antifungal agents)