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Minjeong KIM,Taekyoung LEE,Hyunjin KIM,Heejae BANG,Minji KIM,Minsub CHUNG 한국생물공학회 2021 한국생물공학회 학술대회 Vol.2021 No.10
While the spread of COVID-19 worldwide is currently emerging as a serious social problem, mRNA vaccines with advantages such as rapid development speed and mutation responsiveness are being developed, showing hope for overcoming COVID-19. However, there is a difficulty in transporting and storing mRNA vaccines. We must transport and store mRNA vaccines at cryogenic temperatures because, outside the cryogenic conditions, particle aggregation and leakage occur, which reduces efficacy and causes side effects. Therefore, in order to quickly overcome the COVID-19 pandemic, it is necessary to improve the stability of mRNA vaccines at room temperature. In this study, through the low-temperature decompression concentration method and stabilizer, our goal is maintaining more than 90% of the initial efficacy of the mRNA vaccines at low temperature (2 ~ 8 ℃) for more than 3 months. The low-temperature decompression concentration method and stabilizer can save time required for producing mRNA vaccines and make mRNA vaccines more stable in low temperature (2 ~ 8 ℃). mRNA vaccines in good stability will reduce the difficulties caused by the existing transportation and storage problems and reduce the disposal of the vaccine due to temperature deviation during the breakdown of the freezer, so a great economic and social effects are expected.