Protracted viral shedding and viral load are associated with ICU mortality in Covid-19 patients with acute respiratory failure oleh L. Bitker, F. Dhelft, L. Chauvelot, E. Frobert, L. Folliet, M. Mezidi, S. Trouillet-Assant, A. Belot, B. Lina, F. Wallet, J. C. Richard