Article
A year of genomic surveillance reveals how the SARS-CoV-2 pandemic unfolded in Africa
Registro en:
WILKINSON, Eduan et al. A year of genomic surveillance reveals how the SARS-CoV-2 pandemic unfolded in Africa. Science, v. 374, p. 423-431, Oct. 2021.
1095-0293
10.1126/science.abj4336
Autor
Múltipla autoria - ver em Notas
Resumen
Múltipla Autoria e Afiliação - Ver em Notas. - Marta Giovanetti - Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Laboratório de Referência de Flavivírus. Rio de Janeiro, RJ, Brasil / Universidade Federal de Minas Gerais. Instituto de Ciências Biológicas. Belo Horizonte, MG, Brasil. 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.