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Appears in Collections:Aquaculture Journal Articles
Peer Review Status: Refereed
Title: Mobile laboratory reveals the circulation of Dengue virus serotype I of Asian origin in Medina Gounass (Guediawaye), Senegal
Author(s): Dieng, Idrissa
Hedible, Boris Gildas
Diagne, Moussa Moïse
El Wahed, Ahmed Abd
Diagne, Cheikh Tidiane
Fall, Cheikh
Richard, Vincent
Vray, Muriel
Weidmann, Manfred
Faye, Ousmane
Sall, Amadou Alpha
Faye, Oumar
Keywords: Fever
Mobile laboratory
Issue Date: Jun-2020
Citation: Dieng I, Hedible BG, Diagne MM, El Wahed AA, Diagne CT, Fall C, Richard V, Vray M, Weidmann M, Faye O, Sall AA & Faye O (2020) Mobile laboratory reveals the circulation of Dengue virus serotype I of Asian origin in Medina Gounass (Guediawaye), Senegal. Diagnostics, 10 (6), Art. No.: 408.
Abstract: With the growing success of controlling malaria in Sub-Saharan Africa, the incidence of fever due to malaria is in decline, whereas the proportion of patients with non-malaria febrile illness (NMFI) is increasing. Clinical diagnosis of NMFI is hampered by unspecific symptoms but early diagnosis is a key factor for better patient care and for disease control. The aim of this study was to determine the arboviral aetiologies of NMFI in a low resources settings using a mobile laboratory based on Recombinase Polymerase Amplification (RPA) assays. The panel of tests for this study was expanded to five arboviruses including (Dengue virus (DENV), Zika virus (ZIKV), Yellow fever virus (YFV), Chikungunya virus (CHIKV), and Rift valley fever virus (RVFV). One hundred and four children aged between one month and 115 months were enrolled and screened. Three of 104 blood samples of children < 10 years presenting at an outpatient clinic tested positive for DENV. The results were confirmed by real-time RT-PCR, partial sequencing, and non structural protein 1 (NS1) antigen capture ELISA (Biorad, France). Phylogenetic analysis of the derived DENV-1 sequences clustered them with sequences of DENV-1 isolates from Guangzhou in China in 2014. In conclusion, this mobile setup proved reliable for the rapid identification of the causative agent of NMFI, with results consistent with those obtained in the reference laboratory`s settings.
DOI Link: 10.3390/diagnostics10060408
Rights: © 2020 by the authors. Submitted for possible open access publication under the terms and conditions of the Creative Commons Attribution (CC BY) license (
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