tertiary prevention

例句：

1. 1. The hospital implemented a tertiary prevention program to reduce the spread of disease.
   医院实施了一个三级预防项目，以减少疾病传播。
2. 2. The tertiary prevention measures were effective in controlling the outbreak.
   这些三级预防措施在控制疫情方面是有效的。
3. 3. The tertiary prevention strategy focused on improving public health infrastructure and education.
   三级预防策略侧重于改善公共卫生基础设施和教育。