In addition to covid-19 vaccine side effects, a new study titled, Post-vaccination IgG4 and IgG2 class switch associates with increased risk of SARS-CoV-2 infections. Also elevated IgG4 and IgG2 levels indicate one or a combination of autoimmune, allergic, or infectious processes and immune system dysregulation.

ref: https://www.vigilantfox.com/p/immune-system-damage-covid-shots

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