Moderna and Pfizer mRNA uptake into heart cells, leading to the production of toxic prefusion-stabilized Spike protein, explains the sharp increase in fatal cardiac arrests among the highly vaccinated population of King County, WA. McCullough, P.; Hulscher, N. Risk Stratification for Future Cardiac Arrest after COVID-19 Vaccination. Preprints 2024, 2024080821. doi: 10.20944/preprints202408.0821.v1