ABSTRACT The recent upsurge of interest in the co-articulation of biopolitical and bioethical entanglements underpin both a concern for the putatively temporal thresholds of human life and the very conception of a bounded humanity itself. Taking a step further, I want to suggest that micro(chimerism) as a very specific form of somatic multiplicity, read together with the contemporary rethinking of the concept of immunity, instantiates a fundamental disordering of linear temporality. And that in turn calls for a further reconceptualisation of conventional bioethics. I acknowledge the force of an existing postmodernist bioethics that has attended to the materiality and viscerality of the body and challenged the meaning of human being but, until recently, it has not addressed the bookends of life and death. Once the teleology of the life course is contested, however, death is no longer an insult to being, but merely one event constituting an ongoing vitalism. I propose an atemporal bioethics of coexistence rather than one of successive existence that is faced always with its own finitude.

中文翻译：

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（微）嵌合、免疫和时间性：重新思考生与死的生态

摘要 最近，人们对生物政治和生物伦理纠缠的共同表达兴趣的高涨支持了对人类生活假定的时间阈值的关注以及对有限人类本身的概念的关注。更进一步，我想建议微观（嵌合体）作为一种非常特殊的躯体多样性形式，与当代对免疫概念的重新思​​考一起阅读，实例化了线性时间性的基本无序。这反过来又要求对传统生物伦理学进行进一步的重新概念化。我承认现有的后现代主义生命伦理学的力量，它关注身体的物质性和内在性，并挑战人类的意义，但直到最近，它还没有解决生与死的问题。然而，一旦生命历程的目的论受到质疑，死亡就不再是对存在的侮辱，而只是构成持续活力论的一个事件。我提出了一种共存的非时间性生命伦理学，而不是一种总是面临着自身有限性的连续存在。