cross-infection

例句：

1. 1. The patient wasdiagnosed with a rare form of cross-infection.
   这名患者被诊断出患有一种罕见的交叉感染。
2. 2. Doctors are trying to prevent cross-infection in hospitals.
   医生们正试图在医院中预防交叉感染。
3. 3.The research team discovered a new method for preventing cross-infection in the lab.
   研究团队发现了一种新的方法，用于实验室中防止交叉感染。