Long-term Persistence of the SARS-CoV-2 Spike Protein: Evidence and Implications

Michael Palmer and Sucharit Bhakdi This paper discusses the recent study by Bansal et al. [1] on the detection of spike protein in persons vaccinated with the Pfizer mRNA vaccine. The most significant finding is that spike protein is found on exosomes, that is, cell-derived vesicles, for at least four months after the second injection. […]