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3. Emergence of SARS-CoV-2 Delta Variant, Benin, May--July 2021

Author

Yadouleton, Anges, Sander, Anna-Lena, Adewumi, Praise, de Oliveira Filho, Edmilson F., Tchibozo, Carine, Hounkanrin, Gildas, Rene, Keke K., Ange, Dossou, Kohoun, Rodrigue K., Nari, Ramalia Chabi, Salifou, Sourakatou, Saizonou, Raoul, Kakai, Clement G., Bedie, Sonia V., Onifade, Fattah Al, Nagel, Michael, Aissi, Melchior A. Joel, Akogbeto, Petas, Drosten, Christian, Wulf, Ben, Moreira-Soto, Andres, Djingarey, Mamoudou Harouna, Hounkpatin, Benjamin, and Drexler, Jan Felix

Subjects
Epidemics -- Statistics -- Causes of -- Benin, Health
Abstract

Numerous genetic variants of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) have emerged globally since the start of the coronavirus disease (COVID-19) pandemic (https://cov-lineages.org). By September 2021, the World Health [...]

Published
2022
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4. Mutations Associated with SARS-CoV-2 Variants of Concern, Benin, Early 2021

Author

Anna-Lena Sander, Anges Yadouleton, Edmilson F. de Oliveira Filho, Carine Tchibozo, Gildas Hounkanrin, Yvette Badou, Praise Adewumi, Keke K. René, Dossou Ange, Salifou Sourakatou, Eclou Sedjro, Melchior A. J. Aïssi, Hinson Fidelia, Mamoudou Harouna Djingarey, Michael Nagel, Wendy Karen Jo, Andres Moreira-Soto, Christian Drosten, Olfert Landt, Victor Max Corman, Benjamin Hounkpatin, and Jan Felix Drexler

Subjects
COVID-19, coronavirus disease, SARS-CoV-2, severe acute respiratory syndrome coronavirus 2, viruses, respiratory infections, Medicine, Infectious and parasitic diseases, RC109-216
Abstract

Intense transmission of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) in Africa might promote emergence of variants. We describe 10 SARS-CoV-2 lineages in Benin during early 2021 that harbored mutations associated with variants of concern. Benin-derived SARS-CoV-2 strains were more efficiently neutralized by antibodies derived from vaccinees than patients, warranting accelerated vaccination in Africa.

Published
2021
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5. Assessment of COVID-19 Vaccine Acceptance and Its Associated Factors during the Crisis: A Community-Based Cross-Sectional Study in Benin

Author

Sètondji Géraud Roméo Padonou, Clément Kakaï Glèlè, Manfred Accrombessi, Bayode Romeo Adegbite, Edouard Dangbenon, Houssaïnatou Bah, Enangnon Akogbeto, Ali Imorou Bah Chabi, Landry Kaucley, Salifou Sourakatou, Ange Dossou, Achille Batonon, Tania Bissouma-Ledjou, and Benjamin Hounkpatin

Subjects
COVID-19 vaccine acceptance, associated factors, sub-Saharan Africa, Medicine
Abstract

Background: Having a maximum number of people vaccinated was the objective to control the COVID-19 pandemic. We report in this manuscript the factors associated with the willingness to be vaccinated against COVID-19 during the pandemic period. Methods: From April to May 2022, a community-based cross-sectional survey was performed. Participants were randomly selected from four districts in Benin (taking into account the COVID-19 prevalence). Mixed-effect logistic regression models were used to identify the variables associated with COVID-19 vaccine acceptance. Results: A total of 2069 participants were included. The proportion of vaccine acceptance was 43.3%. A total of 24.2% were vaccinated and showed proof of vaccination. The population’s request for vaccination was higher after the third epidemic wave. The district of residence, the education level, a fear of being infected, the channel of information, poor medical conditions, a good knowledge of the transmission mode and symptoms, and good behaviors were significantly associated with vaccine acceptance. Conclusion: The overall acceptance of the COVID-19 vaccine in the Beninese population was relatively high. However, vaccine campaigns in areas with a low acceptance as well as the disclosure of information, particularly on our knowledge of the disease and the safety, side effects, and effectiveness of the COVID-19 vaccines, should be strengthened with adapted and consistent messages.

Published
2023
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6. Ineffectiveness of international travel restrictions to contain spread of the SARS-CoV-2 Omicron BA.1 variant: a continent-wide laboratory-based observational study from Africa

Author

Fischer, Carlo, primary, Maponga, Tongai Gibson, additional, Yadouleton, Anges, additional, Abilio, Nuro, additional, Aboce, Emmanuel, additional, Adewumi, Praise, additional, Afonso, Pedro, additional, Akorli, Jewelna, additional, Andriamandimby, Soa Fy, additional, Anga, Latifa, additional, Ashong, Yvonne, additional, Beloufa, Mohamed Amine, additional, Bensalem, Aicha, additional, Birtles, Richard, additional, Magloire Boumba, Anicet Luc, additional, Bwanga, Freddie, additional, Chaponda, Mike, additional, Chibukira, Paradzai, additional, Chico, R Matthew, additional, Chileshe, Justin, additional, Choga, Wonderful, additional, Chongwe, Gershom, additional, Cisse, Assana, additional, Cisse, Fatoumata, additional, D Alessandro, Umberto, additional, de Lamballerie, Xavier, additional, de Morais, Joana F.M., additional, Derrar, Fawzi, additional, Dia, Ndongo, additional, Diarra, Youssouf, additional, Doumbia, Lassina, additional, Drosten, Christian, additional, Dussart, Philippe, additional, Echodu, Richard, additional, Luedde, Tom, additional, Eloualid, Abdelmajid, additional, Faye, Ousmane, additional, Feldt, Torsten, additional, Fruehauf, Anna, additional, Gaseitsiwe, Simani, additional, Halatoko, Afiwa, additional, Ilouga, Pauliana-Vanessa, additional, Ismael, Nalia, additional, Jambou, Ronan, additional, Jarju, Sheikh, additional, Kamprad, Antje, additional, Katowa, Ben, additional, Kayiwa, John, additional, Kingwara, Leonard, additional, Koita, Ousmane, additional, Lacoste, Vincent, additional, Lagare, Adamou, additional, Landt, Olfert, additional, Lekana-Douki, Sonia Etenna, additional, Lekana-Douki, Jean-Bernard, additional, Iipumbu, Etuhole, additional, Loemba, Hugues, additional, Lutwama, Julius, additional, Mamadou, Santou, additional, Maman, Issaka, additional, Manyisa, Brendon, additional, Martinez, Pedro A., additional, Matoba, Japhet, additional, Mhuulu, Lusia, additional, Moreira-Soto, Andres, additional, Moyo, Sikhulile, additional, Mwangi, Judy, additional, Ndilimabaka, Nadine, additional, Nassuna, Charity Angella, additional, Ndiath, Mamadou Ousmane, additional, Nepolo, Emmanuel, additional, Njouom, Richard, additional, Nourlil, Jalal, additional, Nyanjom, Steven Ger, additional, Odari, Eddy Okoth, additional, Okeng, Alfred, additional, Ouoba, Jean Bienvenue, additional, Owusu, Michael, additional, Donkor, Irene Owusu, additional, Phadu, Karabo Kristen, additional, Phillips, Richard Odame, additional, Preiser, Wolfgang, additional, Roques, Pierre, additional, Ruhanya, Vurayai, additional, Salah, Fortune, additional, Salifou, Sourakatou, additional, Sall, Amadou Alpha, additional, Sylverken, Augustina Angelina, additional, Tagnouokam-Ngoupo, Paul Alain, additional, Tarnagda, Zekiba, additional, Tchikaya, Francis Olivier, additional, Tordo, Noel, additional, Tufa, Tafese Beyene, additional, and Drexler, Jan Felix, additional

Published
2024
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7. Palliative Care progress in Benin: a situation analysis using the WHO development indicators

Author

AGBODANDE, Kouessi Anthelme, primary, GNANGNON, Freddy, additional, ASSOGBA, Mickael, additional, AVAKOUDJO, Josué, additional, KOUANOU, Angèle AZON, additional, ODOULAMY, Lisette, additional, DAHO, Jean, additional, ZANNOU, Djimon Marcel, additional, SALIFOU, Sourakatou, additional, Ali, IMOROU BAH CHABI, additional, SAIZONOU, Raoul, additional, Issimouha, DILLE MAHAMADOU, additional, Fernanda, BASTOS, additional, GARRALDA, Eduardo, additional, Centeno, Carlos, additional, and TRIPODORO, Vilma, additional

Published
2023
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8. Assessment of COVID-19 Vaccine Acceptance and Its Associated Factors during the Crisis: A Community-Based Cross-Sectional Study in Benin

Author

Hounkpatin, Sètondji Padonou, Clément Kakaï Glèlè, Manfred Accrombessi, Bayode Adegbite, Edouard Dangbenon, Houssaïnatou Bah, Enangnon Akogbeto, Ali Bah Chabi, Landry Kaucley, Salifou Sourakatou, Ange Dossou, Achille Batonon, Tania Bissouma-Ledjou, and Benjamin

Subjects
COVID-19 vaccine acceptance, associated factors, sub-Saharan Africa
Abstract

Background: Having a maximum number of people vaccinated was the objective to control the COVID-19 pandemic. We report in this manuscript the factors associated with the willingness to be vaccinated against COVID-19 during the pandemic period. Methods: From April to May 2022, a community-based cross-sectional survey was performed. Participants were randomly selected from four districts in Benin (taking into account the COVID-19 prevalence). Mixed-effect logistic regression models were used to identify the variables associated with COVID-19 vaccine acceptance. Results: A total of 2069 participants were included. The proportion of vaccine acceptance was 43.3%. A total of 24.2% were vaccinated and showed proof of vaccination. The population’s request for vaccination was higher after the third epidemic wave. The district of residence, the education level, a fear of being infected, the channel of information, poor medical conditions, a good knowledge of the transmission mode and symptoms, and good behaviors were significantly associated with vaccine acceptance. Conclusion: The overall acceptance of the COVID-19 vaccine in the Beninese population was relatively high. However, vaccine campaigns in areas with a low acceptance as well as the disclosure of information, particularly on our knowledge of the disease and the safety, side effects, and effectiveness of the COVID-19 vaccines, should be strengthened with adapted and consistent messages.

Published
2023
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9. Retraction

Author

Fischer, Carlo, primary, Maponga, Tongai Gibson, additional, Yadouleton, Anges, additional, Abílio, Nuro, additional, Aboce, Emmanuel, additional, Adewumi, Praise, additional, Afonso, Pedro, additional, Akorli, Jewelna, additional, Andriamandimby, Soa Fy, additional, Anga, Latifa, additional, Ashong, Yvonne, additional, Beloufa, Mohamed Amine, additional, Bensalem, Aicha, additional, Birtles, Richard, additional, Boumba, Anicet Luc Magloire, additional, Bwanga, Freddie, additional, Chaponda, Mike, additional, Chibukira, Paradzai, additional, Chico, R. Matthew, additional, Chileshe, Justin, additional, Chongwe, Gershom, additional, Cissé, Assana, additional, D’Alessandro, Umberto, additional, de Lamballerie, Xavier Nicolas, additional, de Morais, Joana F. M., additional, Derrar, Fawzi, additional, Dia, Ndongo, additional, Diarra, Youssouf, additional, Doumbia, Lassina, additional, Drosten, Christian, additional, Dussart, Philippe, additional, Echodu, Richard, additional, Eggers, Yannik, additional, Eloualid, Abdelmajid, additional, Faye, Ousmane, additional, Feldt, Torsten, additional, Frühauf, Anna, additional, Halatoko, Afiwa, additional, Ilouga, Pauliana-Vanessa, additional, Ismael, Nalia, additional, Jambou, Ronan, additional, Jarju, Sheikh, additional, Kamprad, Antje, additional, Katowa, Ben, additional, Kayiwa, John, additional, King’wara, Leonard, additional, Koita, Ousmane, additional, Lacoste, Vincent, additional, Lagare, Adamou, additional, Landt, Olfert, additional, Lekana-Douki, Sonia Etenna, additional, Lekana-Douki, Jean-Bernard, additional, Iipumbu, Etuhole, additional, Loemba, Hugues, additional, Lutwama, Julius, additional, Mamadou, Santou, additional, Maman, Issaka, additional, Manyisa, Brendon, additional, Martinez, Pedro A., additional, Matoba, Japhet, additional, Mhuulu, Lusia, additional, Moreira-Soto, Andres, additional, Mwangi, Judy, additional, N’dilimabaka, Nadine, additional, Nassuna, Charity Angella, additional, Ndiath, Mamadou Ousmane, additional, Nepolo, Emmanuel, additional, Njouom, Richard, additional, Nourlil, Jalal, additional, Nyanjom, Steven Ger, additional, Odari, Eddy Okoth, additional, Okeng, Alfred, additional, Ouoba, Jean Bienvenue, additional, Owusu, Michael, additional, Donkor, Irene Owusu, additional, Phadu, Karabo Kristen, additional, Phillips, Richard Odame, additional, Preiser, Wolfgang, additional, Ruhanya, Vurayai, additional, Salah, Fortune, additional, Salifou, Sourakatou, additional, Sall, Amadou Alpha, additional, Sylverken, Augustina Angelina, additional, Tagnouokam-Ngoupo, Paul Alain, additional, Tarnagda, Zekiba, additional, Tchikaya, Francis Olivier, additional, Tufa, Tafese Beyene, additional, and Drexler, Jan Felix, additional

Published
2022
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10. Gradual emergence followed by exponential spread of the SARS-CoV-2 Omicron variant in Africa

Author

Fischer, Carlo, primary, Maponga, Tongai Gibson, additional, Yadouleton, Anges, additional, Abílio, Nuro, additional, Aboce, Emmanuel, additional, Adewumi, Praise, additional, Afonso, Pedro, additional, Akorli, Jewelna, additional, Andriamandimby, Soa Fy, additional, Anga, Latifa, additional, Ashong, Yvonne, additional, Beloufa, Mohamed Amine, additional, Bensalem, Aicha, additional, Birtles, Richard, additional, Boumba, Anicet Luc Magloire, additional, Bwanga, Freddie, additional, Chaponda, Mike, additional, Chibukira, Paradzai, additional, Chico, R. Matthew, additional, Chileshe, Justin, additional, Chongwe, Gershom, additional, Cissé, Assana, additional, D’Alessandro, Umberto, additional, de Lamballerie, Xavier Nicolas, additional, de Morais, Joana F. M., additional, Derrar, Fawzi, additional, Dia, Ndongo, additional, Diarra, Youssouf, additional, Doumbia, Lassina, additional, Drosten, Christian, additional, Dussart, Philippe, additional, Echodu, Richard, additional, Eggers, Yannik, additional, Eloualid, Abdelmajid, additional, Faye, Ousmane, additional, Feldt, Torsten, additional, Frühauf, Anna, additional, Halatoko, Afiwa, additional, Ilouga, Pauliana-Vanessa, additional, Ismael, Nalia, additional, Jambou, Ronan, additional, Jarju, Sheikh, additional, Kamprad, Antje, additional, Katowa, Ben, additional, Kayiwa, John, additional, King’wara, Leonard, additional, Koita, Ousmane, additional, Lacoste, Vincent, additional, Lagare, Adamou, additional, Landt, Olfert, additional, Lekana-Douki, Sonia Etenna, additional, Lekana-Douki, Jean-Bernard, additional, Iipumbu, Etuhole, additional, Loemba, Hugues, additional, Lutwama, Julius, additional, Mamadou, Santou, additional, Maman, Issaka, additional, Manyisa, Brendon, additional, Martinez, Pedro A., additional, Matoba, Japhet, additional, Mhuulu, Lusia, additional, Moreira-Soto, Andres, additional, Mwangi, Judy, additional, N´dilimabaka, Nadine, additional, Nassuna, Charity Angella, additional, Ndiath, Mamadou Ousmane, additional, Nepolo, Emmanuel, additional, Njouom, Richard, additional, Nourlil, Jalal, additional, Nyanjom, Steven Ger, additional, Odari, Eddy Okoth, additional, Okeng, Alfred, additional, Ouoba, Jean Bienvenue, additional, Owusu, Michael, additional, Owusu Donkor, Irene, additional, Phadu, Karabo Kristen, additional, Phillips, Richard Odame, additional, Preiser, Wolfgang, additional, Ruhanya, Vurayai, additional, Salah, Fortune, additional, Salifou, Sourakatou, additional, Sall, Amadou Alpha, additional, Sylverken, Augustina Angelina, additional, Tagnouokam-Ngoupo, Paul Alain, additional, Tarnagda, Zekiba, additional, Tchikaya, Francis Olivier, additional, Tufa, Tafese Beyene, additional, and Drexler, Jan Felix, additional

Published
2022
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11. Mutations Associated with SARS-CoV-2 Variants of Concern, Benin, Early 2021

Author

Praise Adewumi, Keke K. René, Wendy K Jo, Hinson Fidelia, Michael Nagel, Olfert Landt, Eclou Sedjro, Yvette Badou, Gildas Hounkanrin, Anges Yadouleton, Andres Moreira-Soto, Christian Drosten, Benjamin Hounkpatin, Mamoudou Harouna Djingarey, Jan Felix Drexler, Anna-Lena Sander, Melchior A. Joël Aïssi, Victor M. Corman, Carine Tchibozo, Edmilson F. de Oliveira Filho, Salifou Sourakatou, and Dossou Ange

Subjects
Microbiology (medical), 2019-20 coronavirus outbreak, Coronavirus disease 2019 (COVID-19), Epidemiology, Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), viruses, Infectious and parasitic diseases, RC109-216, West africa, respiratory infections, parasitic diseases, West Africa, Medicine, Benin, Humans, Mutations Associated with SARS-CoV-2 Variants of Concern, Benin, Early 2021, skin and connective tissue diseases, biology, Transmission (medicine), business.industry, SARS-CoV-2, fungi, Dispatch, virus diseases, COVID-19, mutations, Virology, zoonoses, Vaccination, Infectious Diseases, coronavirus disease, Mutation, biology.protein, Antibody, business, variant of concern, severe acute respiratory syndrome coronavirus 2
Abstract

Intense transmission of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) in Africa might promote emergence of variants. We describe 10 SARS-CoV-2 lineages in Benin during early 2021 that harbored mutations associated with variants of concern. Benin-derived SARS-CoV-2 strains were more efficiently neutralized by antibodies derived from vaccinees than patients, warranting accelerated vaccination in Africa.

Published
2021

14. RETRACTED: Gradual emergence followed by exponential spread of the SARS-CoV-2 Omicron variant in Africa.

Author

Fischer C, Maponga TG, Yadouleton A, Abílio N, Aboce E, Adewumi P, Afonso P, Akorli J, Andriamandimby SF, Anga L, Ashong Y, Beloufa MA, Bensalem A, Birtles R, Boumba ALM, Bwanga F, Chaponda M, Chibukira P, Chico RM, Chileshe J, Chongwe G, Cissé A, D'Alessandro U, de Lamballerie XN, de Morais JFM, Derrar F, Dia N, Diarra Y, Doumbia L, Drosten C, Dussart P, Echodu R, Eggers Y, Eloualid A, Faye O, Feldt T, Frühauf A, Halatoko A, Ilouga PV, Ismael N, Jambou R, Jarju S, Kamprad A, Katowa B, Kayiwa J, King'wara L, Koita O, Lacoste V, Lagare A, Landt O, Lekana-Douki SE, Lekana-Douki JB, Iipumbu E, Loemba H, Lutwama J, Mamadou S, Maman I, Manyisa B, Martinez PA, Matoba J, Mhuulu L, Moreira-Soto A, Mwangi J, N Dilimabaka N, Nassuna CA, Ndiath MO, Nepolo E, Njouom R, Nourlil J, Nyanjom SG, Odari EO, Okeng A, Ouoba JB, Owusu M, Owusu Donkor I, Phadu KK, Phillips RO, Preiser W, Ruhanya V, Salah F, Salifou S, Sall AA, Sylverken AA, Tagnouokam-Ngoupo PA, Tarnagda Z, Tchikaya FO, Tufa TB, and Drexler JF

Abstract

The geographic and evolutionary origins of the SARS-CoV-2 Omicron variant (BA.1), which was first detected mid-November 2021 in Southern Africa, remain unknown. We tested 13,097 COVID-19 patients sampled between mid-2021 to early 2022 from 22 African countries for BA.1 by real-time RT-PCR. By November-December 2021, BA.1 had replaced the Delta variant in all African sub-regions following a South-North gradient, with a peak Rt of 4.1. Polymerase chain reaction and near-full genome sequencing data revealed genetically diverse Omicron ancestors already existed across Africa by August 2021. Mutations, altering viral tropism, replication and immune escape, gradually accumulated in the spike gene. Omicron ancestors were therefore present in several African countries months before Omicron dominated transmission. These data also indicate that travel bans are ineffective in the face of undetected and widespread infection.

Published
2022
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15. [Knowledge and attitudes of community volunteers on Lassa and Ebola viral haemorrhagic fevers in the Donga Department (North Benin)].

Author

Attinsounon CA, Hounnankan CA, Dovonou CA, Alassani CA, and Salifou S

Subjects
Adult, Benin, Child, Cross-Sectional Studies, Female, Hemorrhagic Fever, Ebola therapy, Hemorrhagic Fever, Ebola transmission, Humans, Lassa Fever therapy, Lassa Fever transmission, Male, Middle Aged, Surveys and Questionnaires, Young Adult, Community Health Workers statistics & numerical data, Health Knowledge, Attitudes, Practice, Hemorrhagic Fever, Ebola prevention & control, Lassa Fever prevention & control
Abstract

Competing Interests: Les auteurs ne déclarent aucun conflit d'intérêts.

Published
2017
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