The life-saving benefit of dexamethasone in severe COVID-19 is linked to a reversal of monocyte dysregulation. - Knoll R; Helbig ET; Dahm K; Bolaji O; Hamm F; Dietrich O; van Uelft M; Müller S; Bonaguro L; Schulte-Schrepping J; Petrov L; Krämer B; et al. (Cell, 2024)