Individuals may have an elevated risk if they also have immune diseases like type 1 diabetes or rheumatoid arthritis.

如果患者有免疫性疾病（如1型糖尿病或类风湿关节炎），患病风险可能会更高。

They say this exposure could prevent the development of some auto, immune diseases.

他们说，这种接触可以防止一些汽车，免疫疾病的发展。