SARS-CoV-2 exposure in Malawian blood donors: an analysis of seroprevalence and variant dynamics between January 2020 and July 2021.

Mandolo J, Msefula J, Henrion MYR, Brown C, Moyo B, Samon A, Moyo-Gwete T, Makhado Z, Ayres F, Motlou T, Mzindle N, Kalata N, Muula AS, Kwatra G, Nsamala N, Likaka A, Mfune T, Moore PL, Mbaya B, French N, Heyderman RS, Swarthout T, Jambo KC,