infection ratio

• 感染率

infection ratio的用法和样例：

例句

1. This high rate of infection is being blamed on the appalling hygiene conditions.
   人们责怪极差的卫生状况造成了如此高的感染率。
2. The rate of infection in humans in control villages fluctuated but remained at baseline levels.
   在未受干预的两个村庄中，人感染率上下波动，但是都维持在一个基本水平。