Research progress on immunological features and immunotherapy strategies of coronavirus disease 2019

Since December 2019, there had been an outbreak of coronavirus disease 2019 (COVID-19) epidemic caused by severe-acute respiratory syndrome coronavirus 2 (SARS-CoV-2) in China. Immunological features of COVID-19 have a potential value for clinical diagnosis and treatment. This review discussed the importance of immune homeostasis in COV1D-19, and provided several suggestions on immunoprophykxis and immunotherapy for COVID-19.