High seroprevalence of SARS-CoV-2 in Burkina-Faso, Ghana and Madagascar in 2021: a population-based study oleh Nicole S. Struck, Eva Lorenz, Christina Deschermeier, Daniel Eibach, Jenny Kettenbeil, Wibke Loag, Steven A. Brieger, Anna M. Ginsbach, Christian Obirikorang, Oumou Maiga-Ascofare, Yaw Adu Sarkodie, Eric Ebenezer Amprofi Boham, Evans Asamoah Adu, Gracelyn Asare, Amos Amoako-Adusei, Alfred Yawson, Alexander Owusu Boakye, James Deke, Nana Safi Almoustapha, Louis Adu-Amoah, Ibrahim Kwaku Duah, Thierry A. Ouedraogo, Valentin Boudo, Ben Rushton, Christa Ehmen, Daniela Fusco, Leonard Gunga, Dominik Benke, Yannick Höppner, Zaraniaina Tahiry Rasolojaona, Tahinamandranto Rasamoelina, Rivo A. Rakotoarivelo, Raphael Rakotozandrindrainy, Boubacar Coulibaly, Ali Sié, Anthony Afum-Adjei Awuah, John H. Amuasi, Aurélia Souares, Jürgen May