Search Results - "Guichet, Emilande"

Rapid Increase of Community SARS-CoV-2 Seroprevalence during Second Wave of COVID-19, Yaoundé, Cameroon by Ndongo, Francis Ateba, Guichet, Emilande, Mimbé, Eric Donald, Ndié, Justin, Pelloquin, Raphael, Varloteaux, Marie, Esemu, Livo, Mpoudi-Etame, Mireille, Lamare, Nadine, Edoul, Ginette, Wouambo, Rodrigue Kamga, Djomsi, Dowbiss Meta, Tongo, Marcel, Tabala, Félicité Naah, Dongmo, Rogacien Kana, Diallo, Mamadou Saliou Kalifa, Bouillin, Julie, Thaurignac, Guillaume, Ayouba, Ahidjo, Peeters, Martine, Delaporte, Eric, Bissek, Anne-Cécile Zoung-Kanyi, Mpoudi-Ngolé, Eitel

“…We conducted 2 independent population-based SARS-CoV-2 serosurveys in Yaoundé, Cameroon, during January 27-February 6 and April 24-May 19, 2021. Overall…”
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Population-based sero-epidemiological investigation of the dynamics of SARS-CoV-2 infections in the Greater Accra Region of Ghana by Mensah, Benedicta Ayiedu, Ndong, Ignatius Cheng, Quashie, Peter Kojo, Guichet, Emilande, Abuaku, Benjamin, Effah-Baafi, Yaw, Tapela, Kesego, Asiedu, Kwame, Appiedu-Addo, Sekyibea Nana Ama, Obbeng, Louisa Baaba, Amponsah, Jones Amo, Kusi, Kwadwo Asamoah, Ofori, Michael, Ayouba, Ahidjo, Courtin, David, Tahar, Rachida, Delaporte, Eric, Awandare, Gordon, Ndam, Nicaise Tuikue

“…The coronavirus disease 2019 (COVID-19) pandemic devastated countries worldwide, and resulted in a global shutdown. Not all infections are symptomatic and…”
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Use of strips of rapid diagnostic tests as a source of ribonucleic acid for genomic surveillance of viruses: an example of SARS-CoV-2 by Keita, Alpha Kabiné, Mbaye, Aminata, Soumah, Abdoul Karim, Kadio, Kadio Jean Jacques Olivier, Diallo, Haby, Gnimadi, Thibaut Armel Chérif, Koivogui, Joel Balla, Povogui, Moriba Kowa, Monemou, Jean Louis, Traore, Baba, Vidal, Nicole, Guichet, Emilande, Ayouba, Ahidjo, Delaporte, Eric, Peeters, Martine, Toure, Abdoulaye, Keita, Alpha Kabinet

“…This study aimed to demonstrate that the genomic material of SARS-CoV-2 can be isolated from strips of COVID-19 rapid diagnostic test cassettes. It was a…”
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Deciphering Morphological Determinants of the Helix-Shaped Leptospira by Slamti, Leyla, de Pedro, Miguel A, Guichet, Emilande, Picardeau, Mathieu

“…Leptospira spp. are thin, highly motile, slow-growing spirochetes that can be distinguished from other bacteria on the basis of their unique helical shape…”
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Genomic surveillance of dengue virus in Benin by Yadouleton, Anges, Nouatin, Odilon, Kissira, Islamiath, Houngbegnon, Parfait, Cottrell, Gilles, Fievet, Nadine, Sohou, Stephane, Butel, Christelle, Serrano, Laetitia, Guichet, Emilande, Vidal, Nicole, Delaporte, Eric, Ayouba, Ahidjo, Peeters, Martine, Massougbodji, Achille

“…Dengue is a widespread viral infection transmitted from mosquitoes to humans, mainly in tropical and subtropical climates. In Benin, only dengue virus (DENV)…”
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Validation of Dried Tube Sample Format Quality Controls for the Monitoring of Viral Load and Blood Screening Assays by Dimech, Wayne, Vincini, Giuseppe, Davies, Kylie, Karakaltsas, Marina, van Cauwalaert, Natasha Dubois, Guichet, Emilande, Koppelman, Marco, Cabuang, Liza

“…•Dried Tube Samples (DTS) have been used for external quality assessment schemes (EQAS).•Homogeneity and stability of DTS have been demonstrated to be suitable…”
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High Prevalence of Anti–Severe Acute Respiratory Syndrome Coronavirus 2 (Anti–SARS-CoV-2) Antibodies After the First Wave of Coronavirus Disease 2019 (COVID-19) in Kinshasa, Democratic Republic of the Congo: Results of a Cross-sectional Household-Based Survey by Nkuba, Antoine N, Makiala, Sheila M, Guichet, Emilande, Tshiminyi, Paul M, Bazitama, Yannick M, Yambayamba, Marc K, Kazenza, Benito M, Kabeya, Trésor M, Matungulu, Elysee B, Baketana, Lionel K, Mitongo, Naomi M, Thaurignac, Guillaume, Leendertz, Fabian H, Vanlerberghe, Veerle, Pelloquin, Raphaël, Etard, Jean-François, Maman, David, Mbala, Placide K, Ayouba, Ahidjo, Peeters, Martine, Muyembe, Jean-Jacques T, Delaporte, Eric, Ahuka, Steve M

“…Abstract Background In October 2020, after the first wave of coronavirus disease 2019 (COVID-19), only 8290 confirmed cases were reported in Kinshasa,…”
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Interest of seroprevalence surveys for the epidemiological surveillance of the SARS‐CoV‐2 pandemic in African populations: Insights from the ARIACOV project in Benin by Houngbégnon, Parfait, Nouatin, Odilon, Yadouléton, Anges, Hounkpatin, Benjamin, Fievet, Nadine, Atindégla, Eloïc, Dechavanne, Sébastien, Guichet, Emilande, Ayouba, Ahidjo, Pelloquin, Raphaël, Maman, David, Thaurignac, Guillaume, Peeters, Martine, Aviansou, Annonciat, Sourakafou, Salifou, Delaporte, Eric, Massougbodji, Achille, Cottrell, Gilles

“…Background Many SARS‐CoV‐2 seroprevalence surveys since the end of 2020 have disqualified the first misconception that Africa had been spared by the pandemic…”
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Comparison of different nucleic acid preparation methods to improve specific HIV-1 RNA isolation for viral load testing on dried blood spots by Guichet, Emilande, Serrano, Laetitia, Laurent, Christian, Eymard-Duvernay, Sabrina, Kuaban, Christopher, Vidal, Laurent, Delaporte, Eric, Ngole, Eitel Mpoudi, Ayouba, Ahidjo, Peeters, Martine

“…•m2000sp (Abbott) did not improve RNA recovery from DBS.•DNase treatments increased false negative results (VF≥1000 copies/mL).•Free virus elution increased…”
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In-depth analysis of HIV-1 drug resistance mutations in HIV-infected individuals failing first-line regimens in West and Central Africa by Villabona-Arenas, Christian Julian, Vidal, Nicole, Guichet, Emilande, Serrano, Laetitia, Delaporte, Eric, Gascuel, Olivier, Peeters, Martine

“…OBJECTIVE:In resource-limited countries, antiretroviral therapy (ART) has been scaled up, but individual monitoring is still suboptimal. Here, we studied…”
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High HIV burden and recent transmission chains in rural forest areas in southern Cameroon, where ancestors of HIV-1 have been identified in ape populations by Edoul, Ginette, Chia, Julius Ebua, Vidal, Nicole, Guichet, Emilande, Montavon, Celine, Delaporte, Eric, Mpoudi Ngole, Eitel, Ayouba, Ahidjo, Peeters, Martine

“…We studied HIV prevalence and genetic diversity in rural forest areas in Cameroon, where chimpanzee and gorilla populations infected with the ancestors of the…”
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High and Rapid Increase in Seroprevalence for SARS-CoV-2 in Conakry, Guinea: Results From 3 Successive Cross-Sectional Surveys (ANRS COV16-ARIACOV) by Soumah, Abou Aissata, Diallo, Mamadou Saliou Kalifa, Guichet, Emilande, Maman, David, Thaurignac, Guillaume, Keita, Alpha Kabinet, Bouillin, Julie, Diallo, Haby, Pelloquin, Raphael, Ayouba, Ahidjo, Kpamou, Cece, Peeters, Martine, Delaporte, Eric, Etard, Jean-Francois, Toure, Abdoulaye

“…Abstract We conducted 3 successive seroprevalence surveys, 3 months apart, using multistage cluster sampling to measure the extent and dynamics of the severe…”
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Short Communication: Nucleoside Reverse Transcriptase Inhibitors with Reduced Predicted Activity Do Not Impair Second-Line Therapy with Lopinavir/Ritonavir or Darunavir/Ritonavir by Villabona-Arenas, Christian Julian, Eymard-Duvernay, Sabrina, Aghokeng, Avelin, Guichet, Emilande, Toure-Kane, Coumba, Bado, Guillaume, Koulla-Shiro, Sinata, Delaporte, Eric, Ciaffi, Laura, Peeters, Martine

“…Second-line therapy randomized trials with lopinavir/ritonavir question the value of resistance testing to guide nucleoside reverse transcriptase inhibitor…”
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Large Diffusion of Severe Acute Respiratory Syndrome Coronavirus 2 After the Successive Epidemiological Waves, Including Omicron, in Guinea and Cameroon: Implications for Vaccine Strategies by Diallo, Mamadou Saliou Kalifa, Amougou-Atsama, Marie, Ayouba, Ahidjo, Kpamou, Cece, Mimbe Taze, Eric Donald, Thaurignac, Guillaume, Diallo, Haby, Lamare, Nadine Boutgam, Bouillin, Julie, Soumah, Abdoul Karim, Noah, Sébastien Awono, Guichet, Emilande, Keita, Alpha Kabinet, Varloteaux, Marie, Peeters, Martine, Bissek, Anne-Cécile Zoung-Kanyi, Toure, Abdoulaye, Delaporte, Eric, Kouanfack, Charles

“…Abstract Background We aimed to estimate the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) seroprevalence among the general population in…”
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Field evaluation of an open and polyvalent universal HIV-1/SIVcpz/SIVgor quantitative RT-PCR assay for HIV-1 viral load monitoring in comparison to Abbott RealTime HIV-1 in Cameroon by Guichet, Emilande, Aghokeng, Avelin, Eymard-Duvernay, Sabrina, Vidal, Nicole, Ayouba, Ahidjo, Mpoudi Ngole, Eitel, Delaporte, Eric, Ciaffi, Laura, Peeters, Martine

“…•Comparison of a HIV-1/SIVcpz/SIVgor RT-qPCR test with an FDA approved HIV VL assay.•Higher viral loads (VLs) were measured with the new assay, +0.47 log10…”
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Short Communication: High Viral Load and Multidrug Resistance Due to Late Switch to Second-Line Regimens Could Be a Major Obstacle to Reach the 90-90-90 UNAIDS Objectives in Sub-Saharan Africa by Guichet, Emilande, Aghokeng, Avelin, Serrano, Laetitia, Bado, Guillaume, Toure-Kane, Coumba, Eymard-Duvernay, Sabrina, Villabona-Arenas, Christian-Julian, Delaporte, Eric, Ciaffi, Laura, Peeters, Martine

“…In the context of lifelong antiretroviral treatment (ART) as early as possible and to end the HIV/AIDS epidemic as a public health treat by 2030, it is…”
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Deciphering Morphological Determinants of the Helix-Shaped Leptospirc by SLAMTI, Leyla, DE PEDRO, Miguel A, GUICHET, Emilande, PICARDEAU, Mathieu

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Virologic Failure and Human Immunodeficiency Virus Drug Resistance in Rural Cameroon With Regard to the UNAIDS 90-90-90 Treatment Targets by Boullé, Charlotte, Guichet, Emilande, Kouanfack, Charles, Aghokeng, Avelin, Onambany, Benjamin, Ikaka, Catherine Massama, Ngock, Emile, Tsoumsta, Landry, Msellati, Philippe, Mpoudi-Ngolé, Eitel, Peeters, Martine, Delaporte, Eric, Laurent, Christian

“…In rural Africa, data on virologic effectiveness of antiretroviral treatment (ART) are not sufficient to assess the gap with the UNAIDS 90-90-90 treatment…”
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