N501Y COVID-19 Variants – Should We Be Worried?
Figure 1: 3D printed models of the SARS-CoV-2 virion (the blue sphere in the background) decorated with spike proteins and a larger model of the spike protein (the multi-colored shape in the foreground; the Receptor Binding Domain is the green section of the model) Source: Wikimedia Commons The so-called “UK”, “Brazil”, and “South Africa” variants …