□スパイクが4ヶ月経っても結構残ってるデータのある論文 Cutting Edge: Circulating Exosomes with COVID Spike Protein Are Induced by BNT162b2 (Pfizer–BioNTech) Vaccination prior to Development of Antibodies: A Novel Mechanism for Immune Activation by mRNA Vaccines | The Journal of Immunology https://www.jimmunol.org/content/early/2021/10/11/jimmunol.2100637