SARS-CoV-2 Variants, South Sudan, January–March 2021 oleh Daniel Lule Bugembe, My V.T. Phan, Abe G. Abias, James Ayei, Lul Lojok Deng, Richard Lino Loro Lako, John Rumunu, Pontiano Kaleebu, Joseph Francis Wamala, Juma John HM, Dennis Kenyi Lodiongo, Sudhir Bunga, Matthew Cotten