AstraZeneca COVID-19 vaccine induces robust broadly cross-reactive antibody responses in Malawian adults previously infected with SARS-CoV-2 oleh Marah G. Chibwana, Thandeka Moyo-Gwete, Gaurav Kwatra, Jonathan Mandolo, Tandile Hermanaus, Thopisang Motlou, Nonkululeko Mzindle, Frances Ayres, Mphatso Chaponda, Godwin Tembo, Percy Mwenechanya, Ndaona Mitole, Chisomo Jassi, Raphael Kamng’ona, Louise Afran, David Mzinza, Henry C. Mwandumba, Stephen B. Gordon, Khuzwayo Jere, Shabir Madhi, Penny L. Moore, Robert S. Heyderman, Kondwani C. Jambo