The fear of contagion has historically been a recurring affect in relationships with groups defined as otherness, whether in the form of biological, social or cultural contagion. With the contemporary discrediting of discrimination, these attitudes have been disguised in explicit language, but prejudices have been subtly maintained, as have anxieties for social hygiene. This action consisted of shaking hands with strangers, and immediately after cleaning myself with antibacterial gel. The action was carried out just before the COVID-19 virus pandemic, in the exhibition Lo que te diga es mentira (Whatever I tell you is a lie) at the National University, and in the metro of the city of Medellín.