A newly published longitudinal biomarker study in Vaccine tracked cardiac markers in 83 healthy adult military personnel following two doses of COVID-19 mRNA injection (Pfizer or Moderna)—and the signal is striking.
49% of healthy troops in the study experienced a >50% surge in NT-proBNP after two mRNA injections, a key marker of cardiac stress: https://t.co/dHhfauaRxL
— Nicolas Hulscher, MPH (@NicHulscher) May 9, 2026
