卡介苗

例句：

1. 1. The TB vaccine is a crucial preventive measure against tuberculosis.
   结核病疫苗是预防结核病的重要措施。
2. 2. The children were vaccinated against measles before going to school.
   孩子们在上学前接种了麻疹疫苗。
3. 3. Vaccination is an essential part of public health campaigns.
   疫苗接种是公共卫生运动的重要组成部分。