Fig. 4: NETs induced by SARS-CoV-2.
From: Patients with COVID-19: in the dark-NETs of neutrophils

NET formation of human blood-derived neutrophils after treatment with SARS-CoV-2. Immunofluorescence staining of NETs was done using antibodies against elastase (red) and DNA-histone1-complexes (green), with a counterstain of DNA (blue). Yellow staining indicates colocalization of NETs (histone-DNA fibers) with elastase. The Bars represent 25 µm (left) and 50 µm (middle and right). Original illustration from the authors.