In a recently published study, CC chemokine ligand (CCL) 2, CXC chemokine ligand (CXCL) 2, CCL8, CXCL1, CCL3L1, and IL-33 in bronchoalveolar lavage samples of patients with COVID-19, and IP-10 in peripheral blood, tumor necrosis factor superfamily-10 (TNFSF10), tissue inhibitor of metalloproteinases-1 (TIMP1), complement (C) 5, IL-18, amphiregulin, neuregulin1, and IL-10 were detected. Here, TIMP1 is linked to COVID-19.