erons (IFNα, IFNβ, and IFNλ), in the blood as well as in the lungs of patients with COVID-19.27 Interferons are more highly suppressed by SARS-CoV-2 than by SARS-CoV infection,27, 28 and this most likely accounts for the impaired antiviral responses and spontaneous apoptosis of dysfunctional lymphocytes.