Nurses Out Loud with Jodi O’Malley MSN, RN – I debunk myths around 'hybrid' immunity and vaccine-induced IgG4 responses. The classification of the COVID-19 vaccine sparks debate, with experts challenging its efficacy. I explore "hybrid" immunity, the controversial term in immunology, and the shift towards IgG4 antibody production, questioning the long-term protection offered by mRNA vaccines against COVID-19.