The vertical stratification of potential bridge vectors of mosquito-borne viruses in a central Amazonian forest bordering Manaus, Brazil.
Animals
Animals, Wild
/ virology
Arbovirus Infections
/ transmission
Arboviruses
/ isolation & purification
Brazil
Culicidae
/ virology
Ecosystem
Flavivirus
/ isolation & purification
Forests
Haplorhini
Humans
Mosquito Vectors
/ virology
Trees
Yellow Fever
/ transmission
Zika Virus
/ isolation & purification
Zika Virus Infection
/ transmission
Journal
Scientific reports
ISSN: 2045-2322
Titre abrégé: Sci Rep
Pays: England
ID NLM: 101563288
Informations de publication
Date de publication:
26 10 2020
26 10 2020
Historique:
received:
20
07
2020
accepted:
06
10
2020
entrez:
27
10
2020
pubmed:
28
10
2020
medline:
13
3
2021
Statut:
epublish
Résumé
The emergence of Zika virus (ZIKV) in Latin America brought to the fore longstanding concerns that forests bordering urban areas may provide a gateway for arbovirus spillback from humans to wildlife. To bridge urban and sylvatic transmission cycles, mosquitoes must co-occur with both humans and potential wildlife hosts, such as monkeys, in space and time. We deployed BG-Sentinel traps at heights of 0, 5, 10, and 15 m in trees in a rainforest reserve bordering Manaus, Brazil, to characterize the vertical stratification of mosquitoes and their associations with microclimate and to identify potential bridge vectors. Haemagogus janthinomys and Sabethes chloropterus, two known flavivirus vectors, showed significant stratification, occurring most frequently above the ground. Psorophora amazonica, a poorly studied anthropophilic species of unknown vector status, showed no stratification and was the most abundant species at all heights sampled. High temperatures and low humidity are common features of forest edges and microclimate analyses revealed negative associations between minimum relative humidity, which was inversely correlated with maximum temperature, and the occurrence of Haemagogus and Sabethes mosquitoes. In this reserve, human habitations border the forest while tamarin and capuchin monkeys are also common to edge habitats, creating opportunities for the spillback of mosquito-borne viruses.
Identifiants
pubmed: 33106507
doi: 10.1038/s41598-020-75178-3
pii: 10.1038/s41598-020-75178-3
pmc: PMC7589505
doi:
Types de publication
Journal Article
Research Support, N.I.H., Extramural
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
18254Subventions
Organisme : NIH HHS
ID : U01 AI115577
Pays : United States
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