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  • Title: Co-circulation of Araraquara and Juquitiba Hantavirus in Brazilian Cerrado.
    Author: Guterres A, de Oliveira RC, Fernandes J, Maia RM, Teixeira BR, Oliveira FCG, Bonvicino CR, D'Andrea PS, Schrago CG, de Lemos ERS.
    Journal: Microb Ecol; 2018 Apr; 75(3):783-789. PubMed ID: 28856421.
    Abstract:
    Hantavirus cardiopulmonary syndrome is an emerging serious disease in the Americas, transmitted from wild rodents to humans through inhalation of aerosol containing virus. Herein, we characterized two distinct hantaviruses circulating in rodent species form Central Plateau, Midwestern region of Brazil in the Cerrado (savanna-like) biome, an area characterized by small trees and grasses adapted to climates with long dry periods. In this study, we identified the co-circulation of the Araraquara virus and a possible new lineage of the Juquitiba virus (JUQV) in Oligoryzomys nigripes. The implications of co-circulation are still unknown, but it can be the key for increasing viral diversity or emergence of new species through spillover or host switching events leading to co-infection and consequently recombination or reassortment between different virus species. Phylogenetic analyses based on the complete S segment indicated that, alongside with Oligoryzomys mattogrossae rodents, O. nigripes species could also have a whole as JUQV reservoir in the Cerrado biome. Although these rodents' species are common in the Cerrado biome, they are not abundant demonstrating how complex and different hantavirus enzootic cycles can be in this particular biome.
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