Study Shows Repeated COVID-19 Vaccination May Weaken the Immune SystemStudy Shows Repeated COVID-19 Vaccination May Weaken the Immune System June 7, 2023June 7, 2023| adminadmin| 0 Comment | 1:35 pm “IgG4 Antibodies Induced by Repeated Vaccination May Generate Immune Tolerance to the SARS-CoV-2 Spike Protein” This is the title of a study published in the journal Vaccines, 17 May 2023. Read MoreRead More
