(Nasdaq: MRNA), a biotechnology company pioneering messenger RNA (mRNA) therapeutics and vaccines to create a new generation of transformative medicines for patients, today announced new data showing that mRNA-1273, its COVID-19 vaccine candidate, remains stable at 2° to 8☌ (36° to 46☏), the temperature of a standard home or medical refrigerator, for 30 days. No dilution required prior to vaccinationĬAMBRIDGE, Mass.-(BUSINESS WIRE)-Nov. MRNA-1273 to be distributed using widely available vaccine delivery and storage infrastructure Shipping and long-term storage conditions at standard freezer temperatures of -20☌ (-4☏) for 6 months Vaccine candidate now expected to remain stable at standard refrigerator temperatures of 2° to 8☌ (36° to 46☏) for 30 days, up from previous estimate of 7 days