injection rate

例句：

1. 1. The hospital has a high infection rate among its patients.
   这家医院的感染率很高。
2. 2. The research team found that the injection rate of the vaccine was effective.
   研究团队发现疫苗的注射率是有效的。
3. 3.The doctors adjusted the dosage based on the patient's injection rate.
   医生根据患者的注射率调整了剂量。