Dirofilariasis in Argentina: Historical review and first report of <i>Dirofilaria immitis</i> in a natural mosquito population

Argentina is one of the four South American countries where the presence of Dirofilaria immitis is currently confirmed. The objective of this study was to review information on dirofilariasis in the country, and to report our recent findings on mosquito vectors. Since the first report of dogs with u...

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Detalles Bibliográficos
Autores principales: Vezzani, Darío, Eiras, Diego Fernando, Wisnivesky, Cristina
Formato: Articulo
Lenguaje:Inglés
Publicado: 2006
Materias:
Ciencias Veterinarias
Dirofilaria
Canine heartworm
South America
Argentina
Mosquito vector
Culex pipiens
Aedes aegypti
Acceso en línea:http://sedici.unlp.edu.ar/handle/10915/150900
Aporte de:
SEDICI (UNLP) de Universidad Nacional de La Plata
id I19-R120-10915-150900
record_format dspace
institution Universidad Nacional de La Plata
institution_str I-19
repository_str R-120
collection SEDICI (UNLP)
language Inglés
topic Ciencias Veterinarias
Dirofilaria
Canine heartworm
South America
Argentina
Mosquito vector
Culex pipiens
Aedes aegypti
spellingShingle Ciencias Veterinarias
Dirofilaria
Canine heartworm
South America
Argentina
Mosquito vector
Culex pipiens
Aedes aegypti
Vezzani, Darío
Eiras, Diego Fernando
Wisnivesky, Cristina
Dirofilariasis in Argentina: Historical review and first report of <i>Dirofilaria immitis</i> in a natural mosquito population
topic_facet Ciencias Veterinarias
Dirofilaria
Canine heartworm
South America
Argentina
Mosquito vector
Culex pipiens
Aedes aegypti
description Argentina is one of the four South American countries where the presence of Dirofilaria immitis is currently confirmed. The objective of this study was to review information on dirofilariasis in the country, and to report our recent findings on mosquito vectors. Since the first report of dogs with unidentified microfilariae in 1926, D. immitis was found in seven provinces and canine prevalence ranged 0–71% at local scale. National prevalence was 8% by the end of the 1980s and current information is available only for Buenos Aires Province. Four pulmonary human infections of D. immitis and one subcutaneous of Dirofilaria sp. were documented. The common coati was the only wild host found, and natural infection in mosquitoes was not previously reported in the country. In our recent mosquito survey in Greater Buenos Aires, we captured and dissected 2380 mosquitoes belonging to 20 species. According to a minimum temperature of 14 8C, the potential transmission period (PTP) for D. immitis in Buenos Aires covers 6 months, and the most favourable period (mean temperature above 20 8C) takes place from the middle of November to the beginning of April. To identify potential vectors of the parasite, we assessed weekly abundances of mosquito species during those PTP estimated previously. We found two specimens of Culex pipiens and one of Aedes aegypti carrying non-infective stages of D. immitis. These two highly anthropophilic mosquitoes may enhance the role of D. immitis as zoonotic agent in temperate Argentina.
format Articulo
Articulo
author Vezzani, Darío
Eiras, Diego Fernando
Wisnivesky, Cristina
author_facet Vezzani, Darío
Eiras, Diego Fernando
Wisnivesky, Cristina
author_sort Vezzani, Darío
title Dirofilariasis in Argentina: Historical review and first report of <i>Dirofilaria immitis</i> in a natural mosquito population
title_short Dirofilariasis in Argentina: Historical review and first report of <i>Dirofilaria immitis</i> in a natural mosquito population
title_full Dirofilariasis in Argentina: Historical review and first report of <i>Dirofilaria immitis</i> in a natural mosquito population
title_fullStr Dirofilariasis in Argentina: Historical review and first report of <i>Dirofilaria immitis</i> in a natural mosquito population
title_full_unstemmed Dirofilariasis in Argentina: Historical review and first report of <i>Dirofilaria immitis</i> in a natural mosquito population
title_sort dirofilariasis in argentina: historical review and first report of <i>dirofilaria immitis</i> in a natural mosquito population
publishDate 2006
url http://sedici.unlp.edu.ar/handle/10915/150900
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