A year of genomic surveillance reveals how the SARS-CoV-2 pandemic unfolded in Africa.

Eduan Wilkinson ORCID logo; Marta Giovanetti ORCID logo; Houriiyah Tegally ORCID logo; James E San ORCID logo; Richard Lessells ORCID logo; Diego Cuadros; Darren P Martin; David A Rasmussen ORCID logo; Abdel-Rahman N Zekri ORCID logo; Abdoul K Sangare; +292 more... 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Sara HA Agwa ORCID logo; Sébastien Calvignac-Spencer ORCID logo; Stephen F Schaffner ORCID logo; Seydou Doumbia ORCID logo; Sheila M Mandanda; Sherihane Aryeetey; Shymaa S Ahmed ORCID logo; Siham Elhamoumi; Soafy Andriamandimby; Sobajo Tope; Sonia Lekana-Douki; Sophie Prosolek ORCID logo; Soumeya Ouangraoua ORCID logo; Steve A Mundeke; Steven Rudder; Sumir Panji ORCID logo; Sureshnee Pillay ORCID logo; Susan Engelbrecht ORCID logo; Susan Nabadda; Sylvie Behillil ORCID logo; Sylvie L Budiaki; Sylvie van der Werf ORCID logo; Tapfumanei Mashe; Tarik Aanniz; Thabo Mohale ORCID logo; Thanh Le-Viet ORCID logo; Tobias Schindler ORCID logo; Ugochukwu J Anyaneji ORCID logo; Ugwu Chinedu ORCID logo; Upasana Ramphal ORCID logo; Uwanibe Jessica; Uwem George ORCID logo; Vagner Fonseca ORCID logo; Vincent Enouf ORCID logo; Vivianne Gorova; Wael H Roshdy ORCID logo; William K Ampofo; Wolfgang Preiser ORCID logo; Wonderful T Choga; Yaw Bediako ORCID logo; Yeshnee Naidoo ORCID logo; Yvan Butera; Zaydah R de Laurent ORCID logo; Amadou A Sall; Ahmed Rebai; Anne von Gottberg ORCID logo; Bourema Kouriba ORCID logo; Carolyn Williamson ORCID logo; Daniel J Bridges ORCID logo; Ihekweazu Chikwe; Jinal N Bhiman ORCID logo; Madisa Mine; Matthew Cotten ORCID logo; Sikhulile Moyo ORCID logo; Simani Gaseitsiwe; Ngonda Saasa ORCID logo; Pardis C Sabeti ORCID logo; Pontiano Kaleebu; Yenew K Tebeje; Sofonias K Tessema; Christian Happi; John Nkengasong; Tulio de Oliveira; (2021) A year of genomic surveillance reveals how the SARS-CoV-2 pandemic unfolded in Africa. Science, 374 (6566). pp. 423-431. ISSN 0036-8075 DOI: 10.1126/science.abj4336
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The progression of the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) pandemic in Africa has so far been heterogeneous, and the full impact is not yet well understood. In this study, we describe the genomic epidemiology using a dataset of 8746 genomes from 33 African countries and two overseas territories. We show that the epidemics in most countries were initiated by importations predominantly from Europe, which diminished after the early introduction of international travel restrictions. As the pandemic progressed, ongoing transmission in many countries and increasing mobility led to the emergence and spread within the continent of many variants of concern and interest, such as B.1.351, B.1.525, A.23.1, and C.1.1. Although distorted by low sampling numbers and blind spots, the findings highlight that Africa must not be left behind in the global pandemic response, otherwise it could become a source for new variants.


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