COVID-19 disease severity in persons infected with the Omicron variant compared with the Delta variant in Qatar

by Abou-Samra, A.-B, Abu-Raddad, L.J, Al Khal, A., Almaslamani, M.A, Bertollini, R., Butt, A.A, Chemaitelly, H., Coyle, P.V, Dargham, S.R, Hasan, M.R, Kaleeckal, A.H, Latif, A.N, Loka, S., Shaik, R.M, Tang, P., Zaqout, A.
Published 2022