To confirm that the Gata1s-transduced cells seen in the liquid cultures and CFU assays were indeed eosinophil precursors, we performed chip cytometry and global gene expression profiling.

Of the patients with COVID-19, 60% had zero eosinophils at presentation, compared to 16% of influenza patients. An additional 28% of COVID-19 patients had zero eosinophils within 48 hours of ...