The paper’s authors show that like other illnesses which affect the lungs, the SARS-CoV-2 virus has three stages of infection, and if left unchecked, it could cause irreversible damage to lungs. They argue medical professionals must give greater attention and treatment in the earlier stages of infection.
Sanchez-Gonzalez, M. A., et al., (2020). A Pathophysiological Perspective on COVID-19’s Lethal Complication: From Viremia to Hypersensitivity Pneumonitis-like Immune Dysregulation. Infection & Chemotherapy, 52(3), 335–344.