Progesterone acts as an antiinflammatory agent and regulates the immune response.

孕酮作为抗炎药，调节免疫反应。

The levels of immune response tend to wane with time, he said.

对病毒的免疫能力随着时间减弱，他说。

The presence of antibodies indicates an immune response to a specific food.

出现抗体表示对某个个别的食物不会产生特殊反应。

First off, it's not actually an allergy in that there's not an immune response.

首先，牛奶并不是那种会引起免疫应答的过敏原。

People tend to mount the best immune response to the first kind of flu virus they experience.

人们往往对他们经历的第一种流感病毒有最好的免疫应答。