From the Department of International Health, Johns Hopkins University, Baltimore (L.L.H.), and AstraZeneca, Gaithersburg (Y.Y., D.B., A.G., P.R., T.T., M.E.A., A.L., M.P.G., T.V.) — both in Maryland; the Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer-Sheva, Israel (R.D.); Quirónsalud Málaga Hospital, Malaga, Spain (M.B.C.); University Multiprofile Hospital for Active Treatment, St. George Medical University, Plovdiv, Bulgaria (M.B.); the South African Medical Research Council... (At 2022-03-03)