Spatial and temporal transmission risk of Dirofilaria immitis in Argentina
The aim of this work was to assess spatial and seasonal Dirofilaria immitis transmission risk throughout Argentina with models based on the temperature threshold below which filarial development will not proceed in the mosquito (i.e. 14 °C), the occurrence and the number of potential vector mosquito...
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2006
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Acceso en línea: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00207519_v36_n14_p1463_Vezzani http://hdl.handle.net/20.500.12110/paper_00207519_v36_n14_p1463_Vezzani |
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paper:paper_00207519_v36_n14_p1463_Vezzani2023-06-08T14:41:25Z Spatial and temporal transmission risk of Dirofilaria immitis in Argentina Argentina Canine heartworm Dirofilaria immitis Mosquitoes Seasonal transmission model South America Temperature Transmission risk annelid mosquito risk assessment seasonal variation temperature effect Argentina article Dirofilaria immitis disease transmission mosquito nonhuman prevalence risk assessment season temperature dependence Animals Argentina Culicidae Dirofilaria immitis Dirofilariasis Dog Diseases Dogs Insect Vectors Models, Biological Risk Assessment Seasons Temperature Argentina South America Dirofilaria immitis The aim of this work was to assess spatial and seasonal Dirofilaria immitis transmission risk throughout Argentina with models based on the temperature threshold below which filarial development will not proceed in the mosquito (i.e. 14 °C), the occurrence and the number of potential vector mosquito species, and the Heartworm Development Units derived from the degree-days concept. The four models showed a similar increasing southwest-northeast tendency and correlated significantly with canine prevalences used as external validation data. About one-third of Argentina would be suitable for heartworm transmission and the highest risk areas include the north-eastern provinces. According to our models, heartworm transmission is markedly seasonal with peaks in January and February; no region would support transmission throughout the year. To improve the present models, it is necessary to know which mosquito species are competent rather than potential vectors in the country. We believe the present study provides the first risk assessment maps for D. immitis transmission in the Southern Hemisphere and provides a useful guide for heartworm prevention during the transmission periods in different regions of Argentina. © 2006 Australian Society for Parasitology Inc. 2006 https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00207519_v36_n14_p1463_Vezzani http://hdl.handle.net/20.500.12110/paper_00207519_v36_n14_p1463_Vezzani |
institution |
Universidad de Buenos Aires |
institution_str |
I-28 |
repository_str |
R-134 |
collection |
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) |
topic |
Argentina Canine heartworm Dirofilaria immitis Mosquitoes Seasonal transmission model South America Temperature Transmission risk annelid mosquito risk assessment seasonal variation temperature effect Argentina article Dirofilaria immitis disease transmission mosquito nonhuman prevalence risk assessment season temperature dependence Animals Argentina Culicidae Dirofilaria immitis Dirofilariasis Dog Diseases Dogs Insect Vectors Models, Biological Risk Assessment Seasons Temperature Argentina South America Dirofilaria immitis |
spellingShingle |
Argentina Canine heartworm Dirofilaria immitis Mosquitoes Seasonal transmission model South America Temperature Transmission risk annelid mosquito risk assessment seasonal variation temperature effect Argentina article Dirofilaria immitis disease transmission mosquito nonhuman prevalence risk assessment season temperature dependence Animals Argentina Culicidae Dirofilaria immitis Dirofilariasis Dog Diseases Dogs Insect Vectors Models, Biological Risk Assessment Seasons Temperature Argentina South America Dirofilaria immitis Spatial and temporal transmission risk of Dirofilaria immitis in Argentina |
topic_facet |
Argentina Canine heartworm Dirofilaria immitis Mosquitoes Seasonal transmission model South America Temperature Transmission risk annelid mosquito risk assessment seasonal variation temperature effect Argentina article Dirofilaria immitis disease transmission mosquito nonhuman prevalence risk assessment season temperature dependence Animals Argentina Culicidae Dirofilaria immitis Dirofilariasis Dog Diseases Dogs Insect Vectors Models, Biological Risk Assessment Seasons Temperature Argentina South America Dirofilaria immitis |
description |
The aim of this work was to assess spatial and seasonal Dirofilaria immitis transmission risk throughout Argentina with models based on the temperature threshold below which filarial development will not proceed in the mosquito (i.e. 14 °C), the occurrence and the number of potential vector mosquito species, and the Heartworm Development Units derived from the degree-days concept. The four models showed a similar increasing southwest-northeast tendency and correlated significantly with canine prevalences used as external validation data. About one-third of Argentina would be suitable for heartworm transmission and the highest risk areas include the north-eastern provinces. According to our models, heartworm transmission is markedly seasonal with peaks in January and February; no region would support transmission throughout the year. To improve the present models, it is necessary to know which mosquito species are competent rather than potential vectors in the country. We believe the present study provides the first risk assessment maps for D. immitis transmission in the Southern Hemisphere and provides a useful guide for heartworm prevention during the transmission periods in different regions of Argentina. © 2006 Australian Society for Parasitology Inc. |
title |
Spatial and temporal transmission risk of Dirofilaria immitis in Argentina |
title_short |
Spatial and temporal transmission risk of Dirofilaria immitis in Argentina |
title_full |
Spatial and temporal transmission risk of Dirofilaria immitis in Argentina |
title_fullStr |
Spatial and temporal transmission risk of Dirofilaria immitis in Argentina |
title_full_unstemmed |
Spatial and temporal transmission risk of Dirofilaria immitis in Argentina |
title_sort |
spatial and temporal transmission risk of dirofilaria immitis in argentina |
publishDate |
2006 |
url |
https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00207519_v36_n14_p1463_Vezzani http://hdl.handle.net/20.500.12110/paper_00207519_v36_n14_p1463_Vezzani |
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1768546191977480192 |