▎ 摘　　要

NOVELTY - Physiological saline solution comprises graphene dispersed by adding and dispersing graphene powder to a physiological saline solution, and a coronavirus vaccine using the same. USE - Physiological saline solution used for preventing or treating diseases such as dementia disease, Parkinson's disease, Lou Gehrig's disease, Huntington's disease, Chrome disease, middle East respiratory syndrome (MERS), severe acute respiratory syndrome (SARS), and corona. ADVANTAGE - The physiological saline solution facilitates dispersion and increases the time for nano-aggregation.