Neural network method and multiscale modeling of the COVID-19 epidemic in Korea Ziqian Li, Jiwei Jia, Guidong Liao, Young Ju Lee and Siyu Liu Eur. Phys. J. Plus, 138 8 (2023) 752 Published online: 25 August 2023 DOI: 10.1140/epjp/s13360-023-04373-8