https://pubmed.ncbi.nlm.ni...
IgG4 Antibodies Induced by Repeated Vaccination May Generate Immune Tolerance to the SARS-CoV-2 Spike Protein - meaning it renders the immune system incapable of fighting pathogens.
IgG4 Antibodies Induced by Repeated Vaccination May Generate Immune Tolerance to the SARS-CoV-2 Spike Protein - meaning it renders the immune system incapable of fighting pathogens.
08:33 PM - Dec 18, 2025
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