S Zhang, Z Yang, ZN Li, ZL Chen, SJ Yue… - Aging and …, 2022 - ncbi.nlm.nih.gov
… aging reduce their ability to resist SARS-CoV-2 infection. … entry, replication, and transmission
of SARS-CoV-2 in the body, … Therefore, once older people are infected with SARS-CoV-2, …