COVID-19 Could IgG4 response lead to a lack of immune response to C-19? By Nooows.com MVP Posted on January 8, 2023 Share Share Share Share Email Comments Booster antibody follow up. Related Items:covid-19, mRNA Share Share Share Share Email Recommended for you Florida Funds Ivermectin Cancer Research AUDIO: The Great Immunological Blunder — How Mass COVID Vaccination Turned a Lab Leak into Humanity’s Largest Gain-of-Function Catastrophe Outrage Erupts Over Hidden Vaccine Deaths Data! Click to comment You must be logged in to post a comment Login Leave a Reply Cancel replyYou must be logged in to post a comment.