Dynamical demeanour of SARS-CoV-2 virus undergoing immune response mechanism in COVID-19 pandemicJayanta Mondal, Piu Samui and Amar Nath ChatterjeeEur. Phys. J. Spec. Top., 231 18-20 (2022) 3357-3370DOI: https://doi.org/10.1140/epjs/s11734-022-00437-5