Clinical Study to Evaluate Safety and Immunogenicity of Bacillus Calmette-Guerin (BCG) Delivery Via Novel Micronjet600 Device Compared to Those Via Conventional Needle

The purpose of this study is to evaluate safety and immunogenicity of Bacillus Calmette-Guerin (BCG) delivery via Novel Micronjet600 device compared to those via conventional needle.

This study is designed as prospective, randomized, open-label, single-centered. In this study, healthy adults who meet inclusion criteria will be randomized and receive a BCG vaccine either using a conventional needle or MicronJet600 device. After vaccination, adverse events and progress will be observed.