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Mol Biol Rep ; 51(1): 906, 2024 Aug 14.
Artigo em Inglês | MEDLINE | ID: mdl-39141163

RESUMO

BACKGROUND: Dengue virus (DENV) and Chikungunya virus (CHIKV) are major arboviruses that are transmitted to humans by Aedes aegypti (A. aegypti) and Aedes Albopictus (A. Albopictus) mosquitoes. In absence of specific antivirals and vaccine against these two viruses, prompt diagnosis of acute infections and robust surveillance for outbreak identification remain crucial. Therefore, rapid, robust, high-throughput, accessible, and low-cost assays are essential for endemic countries. This study evaluated our recently developed multiplex RT-PCR and RT-qPCR assays to screen for DENV1-4 and CHIKV circulation in Burkina Faso. METHODS AND RESULTS: This study, conducted between June to August 2023, enrolled patients with suspected arbovirus infection presenting at healthcare facilities in three Burkina Faso cities (Bobo-Dioulasso, Houndé, and Ouagadougou). Serum samples were collected and screened for DENV serotypes and CHIKV using our newly multiplex RT-PCR and RT-q PCR techniques recently developed. A total of 408 patients (age median = 33, range from 3 to 84 years) participated in this study. Of these, 13.7% (56/408) had DENV infection; DENV-1 was 32.1% (18/56) and DENV-3 was 67.9% (38/56). DENV-2, DENV-4 and CHIKV were not detected. CONCLUSIONS: This study demonstrates the effectiveness of our molecular methods for DENV detection and serotyping in Burkina Faso. The affordability of our methods makes them valuable for implementing widespread routine clinical diagnostics or arbovirus surveillance in resource-limited settings.


Assuntos
Febre de Chikungunya , Vírus Chikungunya , Vírus da Dengue , Dengue , Humanos , Burkina Faso/epidemiologia , Vírus da Dengue/genética , Vírus da Dengue/isolamento & purificação , Vírus Chikungunya/genética , Vírus Chikungunya/isolamento & purificação , Pessoa de Meia-Idade , Dengue/epidemiologia , Dengue/virologia , Dengue/diagnóstico , Dengue/sangue , Feminino , Adulto , Adolescente , Febre de Chikungunya/epidemiologia , Febre de Chikungunya/virologia , Febre de Chikungunya/diagnóstico , Febre de Chikungunya/sangue , Idoso , Masculino , Pré-Escolar , Criança , Sorogrupo , Idoso de 80 Anos ou mais , Reação em Cadeia da Polimerase Multiplex/métodos , Adulto Jovem , Monitoramento Epidemiológico , Animais , Aedes/virologia
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