barriers of infection

例句：

1. 1.The hospital has implemented strict measures to preventthe spread of infections.
   医院已经实施了严格的措施来防止感染的传播。
2. 2. The researchteam identified several barriers that hinderedeffective communication between doctors and patients.
   研究团队识别了几个阻碍医生和患者之间有效沟通的障碍。
3. 3. The new vaccine is designedto overcome these barriers and provide broaderprotection against diseases.
   新疫苗旨在克服这些障碍，提供更广泛的疾病保护。