这病不传染。

This disease is not contagious [infectious].

《新英汉大辞典》

我现在唯一没敢说出的是，HIV不传染。

I only dared to say that, HIV is not transmitted.

youdao

首先，白血病，淋巴瘤和骨髓瘤是不传染的。

First, leukemia, lymphoma and myeloma are not contagious.

youdao

It worked for them, they didn't have all these chronic diseases like we have, now they had other challenges, infectious diseases primarily, but they didn't have the chronic diseases like we have, like cancer, heart disease, hypertension, hyperlipidaemia, etc., and Diabetes particularly.

这曾对祖先们奏效,他们不像我们会得一些慢性疾病,但他们要面对其他的挑战,主要是传染性疾病,但他们不像我们那样受着慢性疾病的困扰,如癌症,心脏病,高血压和高脂血等,特别是糖尿病

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选