菠萝蜜中的过敏原不会使免疫系统敏感，但是一旦桦树花粉刺激了免疫系统，免疫系统也会对菠萝蜜有反应。

The allergen in jackfruit does not sensitize the immune system, but once birch pollen has done so, the immune system may react to jackfruit too.

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这项研究结果支持了以往的研究：说明在幼儿期接触细菌能刺激免疫系统，预防过敏。

The findings support previous research which suggests that exposure to germs during early childhood can prime the immune system to prevent allergies.

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现在如果处方中有导致病人过敏的药物，系统就会简单的给出一个警告。

Now the system simply issues an alert if a patient's records show an allergy to a drug about to be prescribed.

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