by Jon Fleetwood, Jon Fleetwood: Unanswered questions about long-term expression, shedding jab components onto others through exosomes and extracellular vesicles, and what participants are being told before enrollment. On Thursday, Moderna announced that it has injected the first participant in a Phase 1 clinical trial of mRNA-4200 (NCT06880549), an experimental mRNA product that causes the body to […]