Extensive activation, tissue trafficking, turnover and functional impairment of NK cells in COVID-19 patients at disease onset associates with subsequent disease severity. - Bozzano, Federica; Dentone, Chiara; Perrone, Carola; Di Biagio, Antonio; Fenoglio, Daniela; Parodi, Alessia; Mikulska, Malgorzata; Bruzzone, Bianca; Giacobbe, Daniele Roberto; Vena, Antonio; Taramasso, Lucia; Nicolini, Laura; et al. (PLoS Pathogens, 2021)