Rapid Replacement of SARS-CoV-2 Variants by Delta and Subsequent Arrival of Omicron, Uganda, 2021
Nicholas Bbosa
, Deogratius Ssemwanga, Hamidah Namagembe, Ronald Kiiza, Jocelyn Kiconco, John Kayiwa, Tom Lutalo, Julius Lutwama, Alfred Ssekagiri, Isaac Ssewanyana, Susan Nabadda, Henry Kyobe-Bbosa, Jennifer Giandhari, Sureshnee Pillay, Upasana Ramphal, Yajna Ramphal, Yeshnee Naidoo, Derek Tshiabuila, Houriiyah Tegally, Emmanuel J. San, Eduan Wilkinson, Tulio de Oliveira, and Pontiano Kaleebu
Author affiliations: Medical Research Council/Uganda Virus Research Institute, Entebbe, Uganda (N. Bbosa, D. Ssemwanga, H. Namagembe, J. Kiconco, J. Kayiwa, T. Lutalo, J. Lutwama, A. Ssekagiri, P. Kaleebu); London School of Hygiene and Tropical Medicine Uganda Virus Research Unit, Entebbe (D. Ssemwanga, R. Kiiza, J. Kiconco, J. Kayiwa, T. Lutalo, J. Lutwama, A. Ssekagirl, P. Kaleebu); Ministry of Health, Kampala, Uganda (I. Ssewanyana, S. Nabadda, H. Kyobe-Bbosa); University of KwaZulu-Natal, Durban, South Africa (J. Giandhari, S. Pillay, U. Ramphal, Y. Ramphal, Y. Naidoo, D. Tshiabuila, H. Tegally, E.J. San, E. Wilkinson, T. de Oliveira); Stellenbosch University, Stellenbosch, South Africa (E. Wilkinson, T. de Oliveira)
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Figure 1
Figure 1. Distribution of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) variants, Uganda, June‒December 2021. A) Distribution of SARS-CoV-2 variants from 266 samples genotyped during June‒December 2021. B) Percentage of SARS-CoV-2 variants genotyped during June‒December 2021 according to sampling dates.
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