Being chronically ill often is a difference in terms of disability and stigma, ie invested with meanings and interpretations that affect social relationships (Goffman, 1963). Sickle-cell anemia, a serious genetic disease originally spread in the South, particularly in sub-Saharan Africa, affects an increasing number of people in the West (Americas, Europe). It is often presented as a shameful disease, hidden object because of stigma. The issue of stigma seems polysemous in different sites where the disease is common at the same time it is necessarily affected by the process and modalities of circulation of knowledge, practices and biomedical technology between continents. We propose to explore these meanings weaving since the early twentiet...