Japan Approves World’s First ‘Self-amplifying’ mRNA COVID Shot — Is the U.S. Next? Japan Approves World’s First ‘Self-amplifying’ mRNA COVID Shot — Is the U.S. Next? October 9, 2024 By Michael Nevradakis, Ph.D. Japan is offering a self-amplifying mRNA vaccine as one of the five routine COVID-19 vaccines available to the public for the 2024-2025 fall and…