Author: Roxana Bruno, Biochemistry PhD in Immunology. Striking similarity between human syncytins and the sars-cov-2 spike protein: Why covid-19 vaccines might affect fertility SUMMARY COVID-19 vaccines carry the spike protein (S or «Spike») of the SARS-CoV-2 virus as an alleged antigen to trigger the immune response, which shares high genetic and protein similarity with two …
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