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Emergence and spread of two SARS-CoV-2 variants of interest in Nigeria

Article scientifique 2023 Anglais

Résumé

Identifying the dissemination patterns and impacts of a virus of economic or health importance during a pandemic is crucial, as it informs the public on policies for containment in order to reduce the spread of the virus. In this study, we integrated genomic and travel data to investigate the emergence and spread of the SARS-CoV-2 B.1.1.318 and B.1.525 (Eta) variants of interest in Nigeria and the wider Africa region. By integrating travel data and phylogeographic reconstructions, we find that these two variants that arose during the second wave in Nigeria emerged from within Africa, with the B.1.525 from Nigeria, and then spread to other parts of the world. Data from this study show how regional connectivity of Nigeria drove the spread of these variants of interest to surrounding countries and those connected by air-traffic. Our findings demonstrate the power of genomic analysis when combined with mobility and epidemiological data to identify the drivers of transmission, as bidirectional transmission within and between African nations are grossly underestimated as seen in our import risk index estimates.

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Olawoye, I. B., Oluniyi, P. E., Oguzie, J. U., Uwanibe, J. N., Kayode, A. T., Olumade, T., Ajogbasile, F. V., Parker, E., Eromon, P., Abechi, P., Sobajo, T., Ugwu, C., George, U. E., Ayoade, F., Akano, K., Oyejide, N., Nosamiefan, I., Fred-Akintunwa, I., Kemi, A.-S., Brimmo, F. O., Adegboyega, B. B., Philip, C., Adeleke, R., Chukwu, G. C., Ahmed, M. I., Ope-ewe, O. O., Otitoola, S. G., Ogunsanya, O., Saibu, M. F., Sijuwola, A. E., Ezekiel, G. O., John, O. G., Akin-John, J. O., Akinlo, O. O., Fayemi, O. O., Ipaye, T. O., Nwodo, D. C., Omoniyi, A. E., Omwanghe, I. B., Terkuma, C. A., Okolie, J., Ayo-Ale, O., Odia, I., Ebo, B., Naregose, G. O., Patience, A. E., Blessing, O., Micheal, A., Agbukor, J., Aiyepada, J., Ebhodaghe, P., Esumeh, R., Rosemary, G. E., Ehikhametalor, S., Ekanem, A., Edna, Y., Chris, A. O., Donatus, A., Ogbaini-Emovon, E., Tatfeng, M. Y., Omunakwe, H. E., Bob-Manuel, M., Ahmed, R. A., Onwuamah, C., Shaibu, J. O., Okwuraiwe, A. P., Ataga, A. E., Bock-Oruma, A., Daramola, F., Yusuf, I. F., Fajola, A., Ntia, N.-A., Moses, A., Moore-Igwe, B. W., Fakayode, O., Akinola, M., Kida, I. M., Oderinde, B. S., Wudiri, Z., Adeyemi, O. O., Akanbi, O. A., Ahumibe, A., Akinpelu, A., Ayansola, O., Babatunde, O., Omoare, A. A., Chukwu, C., Omoruyi, E. C., Olisa, O., Akande, O. K., Nwafor, I. E., Ekeh, M. A., Ndoma, E., Ewah, R. L., Duruihuoma, R. O., Abu, A., & Odeh, E. (2023). Emergence and spread of two SARS-CoV-2 variants of interest in Nigeria. Nature Communications. https://doi.org/10.1038/s41467-023-36449-5

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Auteur(s)

Idowu B. Olawoye Paul E. Oluniyi Judith U. Oguzie Jessica N. Uwanibe Adeyemi T. Kayode Testimony Olumade Fehintola V. Ajogbasile Edyth Parker Philomena Eromon Priscilla Abechi Tope Sobajo Chinedu Ugwu Uwem E. George Femi Ayoade Kazeem Akano Nicholas Oyejide Iguosadolo Nosamiefan Iyanuoluwa Fred-Akintunwa Adedotun-Sulaiman Kemi Farida Oluwabukola Brimmo Babatunde B. Adegboyega Courage Philip Richard Adeleke Grace C. Chukwu Muhammad I. Ahmed Oludayo O. Ope-ewe Shobi G. Otitoola Olusola Ogunsanya Mudasiru F. Saibu Ayotunde E. Sijuwola Grace O. Ezekiel Oluwagboadurami G. John Julie O. Akin-John Oluwasemilogo O. Akinlo Olanrewaju O. Fayemi Testimony O. Ipaye Deborah C. Nwodo Abolade E. Omoniyi Iyobosa B. Omwanghe Christabel A. Terkuma Johnson Okolie Olubukola Ayo-Ale Ikponmwosa Odia Benevolence Ebo Grace O. Naregose Akhilomen E. Patience Osiemi Blessing Airende Micheal Jacqueline Agbukor John Aiyepada Paulson Ebhodaghe Rita Esumeh Giwa E. Rosemary Solomon Ehikhametalor Anieno Ekanem Yerumoh Edna Aire O. Chris Adomeh Donatus Ephraim Ogbaini-Emovon Mirabeau Youtchou Tatfeng Hannah E. Omunakwe Mienye Bob-Manuel Rahaman A. Ahmed Chika Onwuamah Joseph Ojonugwa Shaibu Azuka Patrick Okwuraiwe A. E. Ataga Andrew Bock-Oruma Funmi Daramola Ibrahim F. Yusuf Akinwumi Fajola Nsikak-Abasi Ntia Anietie Moses Beatrice W. Moore-Igwe Oluwatosin Fakayode Monilade Akinola Ibrahim Musa Kida Bamidele Soji Oderinde Zara Wudiri Oluwapelumi O. Adeyemi Olusola Anuoluwapo Akanbi Anthony Ahumibe Afolabi Akinpelu Oyeronke Ayansola Olajumoke Babatunde Adesuyi Ayodeji Omoare Chimaobi Chukwu Ewean Chukwuma Omoruyi Olasunkanmi Olisa Olatunji K. Akande Ifeanyi Emmanuel Nwafor Matthew A. Ekeh Erim Ndoma Richard L. Ewah Rosemary O. Duruihuoma Augustine Abu Elizabeth Odeh

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