Dispersal patterns and influence of air travel during the global expansion of SARS-CoV-2 variants of concern. Tegally, H., Wilkinson, E., Tsui, J. L., Moir, M., Martin, D., Brito, A. F., Giovanetti, M., Khan, K., Huber, C., Bogoch, I. I, San, J. E., Poongavanan, J., Xavier, J. S, Candido, D. d. S, Romero, F., Baxter, C., Pybus, O. G, Lessells, R., Faria, N. R, Kraemer, M. U G, & de Oliveira, T. Cell, Cell Press, jun, 2023. ![Dispersal patterns and influence of air travel during the global expansion of SARS-CoV-2 variants of concern [link]](https://bibbase.org/img/filetypes/link.svg "link")
Paper doi abstract bibtex The Alpha, Beta and Gamma SARS-CoV-2 Variants of Concern (VOCs) co-circulated globally during 2020-21, fueling waves of infections. They were displaced by Delta during a third wave worldwide in 2021, in turn displaced by Omicron in late 2021. In this study, we use phylogenetic and phylogeographic methods to reconstruct the dispersal patterns of VOCs worldwide. We find that source-sink dynamics varied substantially by VOC, and identify countries that acted as global and regional hubs of dissemination. We demonstrate a declining role of presumed origin countries of VOCs to their global dispersal, estimating that India contributed \textless15% of Delta exports and South Africa \textless1-2% of Omicron dispersal. We estimate that \textgreater80 countries had received introductions of Omicron within 100 days of emergence, associated with accelerating passenger air travel and higher transmissibility. Our study highlights the rapid dispersal of highly transmissible variants with implications for genomic surveillance along the hierarchical airline network.
@article{Tegally2023,
abstract = {The Alpha, Beta and Gamma SARS-CoV-2 Variants of Concern (VOCs) co-circulated globally during 2020-21, fueling waves of infections. They were displaced by Delta during a third wave worldwide in 2021, in turn displaced by Omicron in late 2021. In this study, we use phylogenetic and phylogeographic methods to reconstruct the dispersal patterns of VOCs worldwide. We find that source-sink dynamics varied substantially by VOC, and identify countries that acted as global and regional hubs of dissemination. We demonstrate a declining role of presumed origin countries of VOCs to their global dispersal, estimating that India contributed {\textless}15{\%} of Delta exports and South Africa {\textless}1-2{\%} of Omicron dispersal. We estimate that {\textgreater}80 countries had received introductions of Omicron within 100 days of emergence, associated with accelerating passenger air travel and higher transmissibility. Our study highlights the rapid dispersal of highly transmissible variants with implications for genomic surveillance along the hierarchical airline network.},
author = {Tegally, Houriiyah and Wilkinson, Eduan and Tsui, Joseph L-H and Moir, Monika and Martin, Darren and Brito, Anderson Fernandes and Giovanetti, Marta and Khan, Kamran and Huber, Carmen and Bogoch, Isaac I and San, James Emmanuel and Poongavanan, Jenicca and Xavier, Joicymara S and Candido, Darlan da S and Romero, Filipe and Baxter, Cheryl and Pybus, Oliver G and Lessells, Richard and Faria, Nuno R and Kraemer, Moritz U G and de Oliveira, Tulio},
doi = {10.1016/J.CELL.2023.06.001},
file = {:C$\backslash$:/Users/01462563/AppData/Local/Mendeley Ltd./Mendeley Desktop/Downloaded/Tegally et al. - 2023 - Dispersal patterns and influence of air travel during the global expansion of SARS-CoV-2 variants of concern.pdf:pdf},
issn = {0092-8674},
journal = {Cell},
keywords = {genomics{\_}fund{\_}ack,original},
mendeley-tags = {genomics{\_}fund{\_}ack,original},
month = {jun},
pages = {10.1016/j.cell.2023.06.001},
pmid = {37413988},
publisher = {Cell Press},
title = {{Dispersal patterns and influence of air travel during the global expansion of SARS-CoV-2 variants of concern}},
url = {https://linkinghub.elsevier.com/retrieve/pii/S0092867423006414},
year = {2023}
}
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