IL15 and idiopathic pulmonary fibrosis: In particular the pathognomonic Alveolar type 2 (AT2) cytopathic changes, associated with DNA damage induced by oxidative stress that culminates into progenitor state arrest, senescence-associated secretory phenotype (SASP) and an IL15-centric cytokine storm faithfully recapitulate the host immune induced by SARS-CoV-2 and IPF (Sinha et al., 2021).