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Title: Hantaviruses and a neglected environmental determinant
Authors: Guterres, Alexandro
Lemos, Elba Regina S.
Affilliation: Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Laboratório de Hantaviroses e Rickettsioses. Rio de Janeiro, RJ, Brasil.
Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Laboratório de Hantaviroses e Rickettsioses. Rio de Janeiro, RJ, Brasil.
Abstract: Most human pathogenic hantaviruses cause severe hemorrhagic fevers with a high rate of fatalities, such as occurs due to the genotypes causing hantavirus cardiopulmonary syndrome carried by the New World Sigmodontinae and Neotominae rodents. An increasing number of outbreaks and the possibility of cases spreading over international borders have led to greater interest in these viruses and the environmental determinants that facilitate their transmission. Rodents, shrews, moles and bats act as reservoir hosts of hantaviruses, and within the hantavirus transmission flow, the prevalence and distribution of infection in reservoir hosts is influenced by a range of factors. Climate change and landscape alteration affect hantavirus transmission, but the outcomes can differ among different hantaviruses and for the same virus in differentbiomes. However, it is evident that the underlying mechanisms that mediate hantavirus transmission are largely unknown, so that much work remains to be done regarding the transmission dynamics of hantaviruses. Overall, our review highlights the importance of examining interactions over several trophic levels and the underlying mechanisms (density and trait-mediated indirect effects) linking predation risk and hantavirus transmission, to develop an ecological framework to understand disease in natural, preserved and degraded systems.
Keywords: Hantavirus
Outbreak investigation
Environmental factors
keywords: Hantavirus
Fatores ambientais
Investigação de surtos
Issue Date: 2018
Publisher: Elsevier
Citation: GUETERRES, Alexandro; LEMOS, Elba Regina Sampaio de. Hantaviruses and a neglected environmental determinant. One Health, v. 5, p. 27-33, 2018.
DOI: 10.1016/j.onehlt.2017.12.002
ISSN: 2352-7714
Copyright: open access
Appears in Collections:IOC - Artigos de Periódicos

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