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© Research
Publication : Nature communications

Reconstructing Mayaro virus circulation in French Guiana shows frequent spillovers.

Scientific Fields
Diseases
Organisms
Applications
Technique

Published in Nature communications - 05 Jun 2020

Hozé N, Salje H, Rousset D, Fritzell C, Vanhomwegen J, Bailly S, Najm M, Enfissi A, Manuguerra JC, Flamand C, Cauchemez S,

Link to Pubmed [PMID] – 32503971

Link to DOI – 10.1038/s41467-020-16516-x

Nat Commun 2020 06; 11(1): 2842

Characterizing the circulation of Mayaro virus (MAYV), an emerging arbovirus threat, is essential for risk assessment but challenging due to cross-reactivity with other alphaviruses such as chikungunya virus (CHIKV). Here, we develop an analytical framework to jointly assess MAYV epidemiology and the extent of cross-reactivity with CHIKV from serological data collected throughout French Guiana (N = 2697). We find strong evidence of an important sylvatic cycle for MAYV with most infections occurring near the natural reservoir in rural areas and in individuals more likely to go to the forest (i.e., adult males) and with seroprevalences of up to 18% in some areas. These findings highlight the need to strengthen MAYV surveillance in the region and showcase how modeling can improve interpretation of cross-reacting assays.

https://pubmed.ncbi.nlm.nih.gov/32503971