摘要
The severe acute respiratory syndrome coronavirus 2(SARS-CoV-2)pandemic that began in 2019 has been plaguing our life and society[1]and caused untold deaths worldwide.With the proliferation of COVID-19 vaccines and less lethal strains of the virus,the number of patients with severe COVID-19 has gradually decreased.The majority of patients now exhibit only mild-to-moderate symptoms.
基金
This insight article was supported by the National Key Research and Development Program(2021YFC0863700)。