St. Louis Encephalitis virus mosquito vectors dynamics in three different environments in relation to remotely sensed environmental conditions

Acta Tropica
Gonzalo P BatallánWalter R Almirón

Abstract

In Argentina the St. Louis Encephalitis virus (SLEV) is an endemic and widely distributed pathogen transmitted by the cosmopolitan mosquito Culex quinquefasciatus. During two outbreaks in Córdoba city, in 2005 and 2010, Culex interfor was also found infected, but its role as vector of SLEV is poorly known. This mosquito species is distributed from central Argentina to southern Brazil. The primary aim of this study was to analyze the population dynamic of Cx. interfor and Cx. quinquefasciatus in three different environments (urban, suburban and non-urban) in relation to remotely sensed environmental data for vegetation (NDVI and NDWI) and temperature (brightness temperature). Cx. quinquefasciatus and Cx. interfor were found at the three sampled sites, being both the most abundant Culex species, with peaks in early and midsummer. Temporal distribution patterns of both mosquito species were highly correlated in a non-urban area of high SLEV risk transmission. Cx. quinquefasciatus and Cx. interfor were associated with the most urbanized site and the non-urban environment, respectively; high significant correlations were detected between vegetation indices and abundance of both mosquito species confirming these associations. These d...Continue Reading

References

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Citations

Nov 27, 2018·Epidemiology and Infection·Alberto J AlanizPedro E Cattan
Jul 30, 2020·Transactions of the Royal Society of Tropical Medicine and Hygiene·Mauricio D BeranekMarta S Contigiani
May 16, 2018·The American Journal of Tropical Medicine and Hygiene·Adrián DíazMarta S Contigiani
Jan 26, 2021·Transactions of the Royal Society of Tropical Medicine and Hygiene·Octavio GiayettoAdrián Diaz
Nov 13, 2020·Revista Argentina de microbiología·Gonzalo P BatallánAndrés M Visintin

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