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. 2022 Apr 29;4(4):000340.
doi: 10.1099/acmi.0.000340. eCollection 2022.

Dengue and Chikungunya virus circulation in Cameroon and Gabon: molecular evidence among symptomatic individuals

Ghyslaine Bruna Djeunang Dongho  1   2 , Giulietta Venturi  3 , Claudia Fortuna  3 , Giacomo Maria Paganotti  4   5   6 , Carlo Severini  3 , Mariangela L'Episcopia  3 , Armand Tiotsia Tsapi  2 , Eleonora Benedetti  3 , Giulia Marsili  3 , Antonello Amendola  3 , Giovanni Rezza  3   7 , Martin Sanou Sobze  8 , Gianluca Russo  2
Affiliations

Dengue and Chikungunya virus circulation in Cameroon and Gabon: molecular evidence among symptomatic individuals

Ghyslaine Bruna Djeunang Dongho et al. Access Microbiol. .

Abstract

We report the molecular evidence of dengue virus (DENV) and chikungunya virus (CHIKV) infection in symptomatic individuals in Cameroon and Gabon, respectively. Arthropod-borne viruses (arboviruses) are distributed in the tropical or subtropical regions, with DENV having the highest burden. The morbidity and mortality related to arboviral diseases raise the concern of timely and efficient surveillance and care. Our aim was to assess the circulation of arboviruses [DENV, CHIKV, Zika virus (ZIKV)] among febrile patients in Dschang (West Cameroon) and Kyé-ossi (South Cameroon, border with Gabon and Equatorial Guinea). Dried blood spots were collected from 601 consenting febrile patients, and 194 Plasmodium spp.-negative samples were tested for the molecular detection of cases of DENV, CHIKV and ZIKV infection. Overall, no case of ZIKV infection was found, whereas one case of DENV infection and one case of CHIKV infection were detected in Dschang and Kyé-ossi, respectively, with the CHIKV-infected patient being resident in Gabon. Our findings suggest the need to establish an active surveillance of arbovirus transmission in Cameroon and bordering countries.

Keywords: Cameroon; Chikungunya virus; Dengue virus; Gabon; febrile patients; real-time PCR.

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Conflict of interest statement

The authors declare that there are no conflicts of interest.

Figures

Fig. 1.
Fig. 1.
Cameroon map with study sites.
See this image and copyright information in PMC

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