Enforcement Rules of the Communicable Disease Control Act Article 2

The immunization mentioned in the Act refers to the measures of inoculating vaccines in human bodies either to prevent the occurrence of diseases or alleviate the conditions of infection.The vaccines mentioned in the Act refer to active and passive immunological preparations needed for immunization or disease control.
中文原文 傳染病防治法施行細則第2條
本法所稱預防接種,指為達預防疾病發生或減輕病情之目的,將疫苗施於人體之措施。
本法所稱疫苗,指配合預防接種或防疫需要之主動及被動免疫製劑。

English translation for reference only; the Chinese text prevails. Not legal advice.