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Prevalence of SARS-CoV-2 among high-risk populations in Lomé (Togo) in 2020
Wemboo Afiwa Halatoko; Yao Rodion KONU; Fifonsi Adjidossi Gbeasor-Komlanvi; Arnold Junior Sadio; Martin Kouame Tchankoni; Koffi Segbeaya Komlanvi; Mounerou Salou; Ameyo Monique Dorkenoo; Issaka Maman; Ametepe Agbobli; Majeste Ihou Wateba; Komi Seraphin Adjoh; Edem Goeh Akue; Yem-bla Kao; Innocent Kpeto; Paul Pana; Rebecca Kinde-Sossou; Agbeko Tamakloe; Josee Nayo-Apetsianyi; Simon-Pierre Hamadi Assane; Mireille Prince-David; Sossinou Marcel Awoussi; Mohaman Djibril; Moustafa Mijiyawa; Anoumou Claver Dagnra; Didier Koumavi Ekouevi.
Afiliación
  • Wemboo Afiwa Halatoko; Institut National d'Hygiene, Lome, Togo
  • Yao Rodion KONU; Universite de Lome, Departement de Sante Publique, Lome, Togo
  • Fifonsi Adjidossi Gbeasor-Komlanvi; Universite de Lome, Departement de Sante Publique, Lome, Togo
  • Arnold Junior Sadio; Centre Africain de Recherche en Epidemiologie et en Sante Publique, Lome, Togo
  • Martin Kouame Tchankoni; Centre Africain de Recherche en Epidemiologie et en Sante Publique (CARESP), Lome, Togo
  • Koffi Segbeaya Komlanvi; Centre Africain de Recherche en Epidemiologie et en Sante Publique (CARESP), Lome, Togo
  • Mounerou Salou; Universite de Lome, Laboratoire de Biologie Moleculaire et d'Immunologie (BIOLIM), Lome, Togo
  • Ameyo Monique Dorkenoo; Universite de Lome, Faculte des Sciences de la Sante, Lome, Togo
  • Issaka Maman; Institut National d'Hygiene (INH), Lome, Togo
  • Ametepe Agbobli; Universite de Lome, Faculte des Sciences de la Sante, Lome, Togo
  • Majeste Ihou Wateba; Universite de Lome, Faculte des Sciences de la Sante, Lome, Togo
  • Komi Seraphin Adjoh; Universite de Lome, Faculte des Sciences de la Sante, Lome, Togo
  • Edem Goeh Akue; Universite de Lome, Faculte des Sciences de la Sante, Lome, Togo
  • Yem-bla Kao; Conseil Scientifique pour la Riposte contre la pandemie de Covid-19, Lome, Togo
  • Innocent Kpeto; Conseil Scientifique pour la Riposte contre la pandemie de Covid-19, Lome, Togo
  • Paul Pana; Conseil Scientifique pour la Riposte contre la pandemie de Covid-19, Lome, Togo
  • Rebecca Kinde-Sossou; Ministere de la Sante et de l'Hygiene Publique, Lome, Togo
  • Agbeko Tamakloe; Ministere de la Sante et de l'Hygiene Publique, Lome, Togo
  • Josee Nayo-Apetsianyi; Ministere de la Sante et de l'Hygiene Publique, Lome, Togo
  • Simon-Pierre Hamadi Assane; Ministere de la Sante et de l'Hygiene Publique, Lome, Togo
  • Mireille Prince-David; Universite de Lome, Laboratoire de Biologie Moleculaire et d'Immunologie (BIOLIM), Lome, Togo
  • Sossinou Marcel Awoussi; Coordination Nationale de Gestion de la Riposte contre la Covid-19, Lome, Togo
  • Mohaman Djibril; Coordination Nationale de Gestion de la Riposte contre la Covid-19, Lome, Togo
  • Moustafa Mijiyawa; Ministere de la Sante et de l'Hygiene Publique, Lome, Togo
  • Anoumou Claver Dagnra; Universite de Lome, Laboratoire de Biologie Moleculaire et d'Immunologie (BIOLIM), Lome, Togo
  • Didier Koumavi Ekouevi; Universite de Lome, Departement de Sante Publique, Lome, Togo
Preprint en En | PREPRINT-MEDRXIV | ID: ppmedrxiv-20163840
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ABSTRACT
ObjectiveThis survey aims at estimating the prevalence of SARS-CoV-2 in high risk populations in Lome. MethodsFrom April 23rd to May 8th 2020, we recruited a random sample of participants from five sectors healthcare, air transport, police, road transport and informal. We collected oropharyngeal swab for direct detection through real time reverse transcription polymerase chain reaction (rRT-PCR), and blood for antibodies detection by serological tests. The overall prevalence (current and past) of infection was defined by positivity for both tests. ResultsA total of 955 participants with a median age of 36 (IQR 32-43) were included and 71.6% (n=684) were men. Around 22.1% (n=212) were from the air transport sector, 20.5% (n=196) in the police, and 38.7% (n=370) in the health sector. Seven participants (0.7%, 95% CI 0.3-1.6%) had a positive rRT-PCR at the time of recruitment and nine (0.9%, 95% CI 0.4-1.8%) were seropositive for IgM or IgG against SARS-CoV-2. We found an overall prevalence of 1.6% (n=15), 95% CI 0.9-2.6%. ConclusionThe prevalence of the SARS-CoV-2 infection among high-risk populations in Lome was relatively low and could be explained by the various measures taken by the Togolese government. Therefore, we recommend targeted screening.
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Texto completo: 1 Banco de datos: PREPRINT-MEDRXIV Tipo de estudio: Diagnostic_studies / Observational_studies / Prognostic_studies / Qualitative_research / Rct Idioma: En Año: 2020 Tipo del documento: Preprint
Texto completo: 1 Banco de datos: PREPRINT-MEDRXIV Tipo de estudio: Diagnostic_studies / Observational_studies / Prognostic_studies / Qualitative_research / Rct Idioma: En Año: 2020 Tipo del documento: Preprint