Forms of informality—ranging from informal settlements to street vending and informal transport—have become integral, yet not necessarily limited to how cities of the global South work. Our aim in this paper is to explore the dynamics of informal urbanism in the face of the COVID-19 pandemic and the extent to which forms of informality can adapt in the state of uncertainty. This paper lies in the intersections of informal urbanism and urban design in relation to public health emergencies. This is an exploratory paper in nature, structured in three main sections to focus on the implications of the Coronavirus pandemic on informal settlements, street vending, and informal transport, respectively. We point to how different forms of informality work across cities and conclude by outlining some key considerations and discussing the role of urban design in addressing the capacities and challenges of informal urbanism in the state of uncertainty facing public health emergencies such as the Coronavirus pandemic.

中文翻译：

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不确定状态下的非正式城市化：非正式形式和城市卫生紧急情况

非正式的形式——从非正式住区到街头贩卖和非正式交通——已经成为不可或缺的一部分，但不一定限于全球南方城市的运作方式。我们在本文中的目的是探索面对 COVID-19 大流行的非正式城市化的动态以及非正式形式在不确定状态下的适应程度。本文涉及与突发公共卫生事件相关的非正式城市主义和城市设计的交叉点。这是一篇探索性论文，分为三个主要部分，分别侧重于冠状病毒大流行对非正规住区、街头贩卖和非正规交通的影响。