Authors: Xue Cao, Wenjuan Li, Ting Wang, Dongzhi Ran,Veronica Davalos, Laura Planas-Serra, Aurora Pujol, Manel Esteller, Xiaolin Wang & Huichuan Yu  Nature Communications volume 13, 19 April 2022 Article number: 2135 (2022)  Abstract Chronological age is a risk factor for SARS-CoV-2 infection and severe COVID-19. Previous findings indicate that epigenetic age could be altered in viral infection. However, the epigenetic aging in COVID-19 has not been well studied. In […]