Study Investigating Administration of Prevenar for Post-Marketing Surveillance

The purpose of this study is to identify the following problems and questions with respect to the safety of Pneumococcal 7-Valent Conjugate Vaccine (Diphtheria CRM 197 Protein), Prevenar, during the post-marketing period in Korea, as required by Korea Food and Drug Administration (KFDA) regulations.

1. Adverse reactions (especially serious adverse reactions)

2. Incidences of adverse reactions under routine vaccine use

3. Factors that may affect the safety of the vaccine