A comparative study of dengue virus vectors in major parks and adjacent residential areas in Ho Chi Minh City, Vietnam.
The primary dengue virus vectors, Aedes aegypti and Aedes albopictus, are primarily daytime biting mosquitoes. The risk of infection is suspected to be considerable in urban parks due to visitor traffic. Despite the importance of vector control for reducing dengue transmission, little information is...
Published in: | PLOS Neglected Tropical Diseases |
---|---|
Main Authors: | , |
Format: | Article in Journal/Newspaper |
Language: | English |
Published: |
Public Library of Science (PLoS)
2022
|
Subjects: | |
Online Access: | https://doi.org/10.1371/journal.pntd.0010119 https://doaj.org/article/f92b79765fe24d1485293014730b406c |
id |
ftdoajarticles:oai:doaj.org/article:f92b79765fe24d1485293014730b406c |
---|---|
record_format |
openpolar |
spelling |
ftdoajarticles:oai:doaj.org/article:f92b79765fe24d1485293014730b406c 2023-05-15T15:13:49+02:00 A comparative study of dengue virus vectors in major parks and adjacent residential areas in Ho Chi Minh City, Vietnam. Trang Thi Thuy Huynh Noboru Minakawa 2022-01-01T00:00:00Z https://doi.org/10.1371/journal.pntd.0010119 https://doaj.org/article/f92b79765fe24d1485293014730b406c EN eng Public Library of Science (PLoS) https://doi.org/10.1371/journal.pntd.0010119 https://doaj.org/toc/1935-2727 https://doaj.org/toc/1935-2735 1935-2727 1935-2735 doi:10.1371/journal.pntd.0010119 https://doaj.org/article/f92b79765fe24d1485293014730b406c PLoS Neglected Tropical Diseases, Vol 16, Iss 1, p e0010119 (2022) Arctic medicine. Tropical medicine RC955-962 Public aspects of medicine RA1-1270 article 2022 ftdoajarticles https://doi.org/10.1371/journal.pntd.0010119 2022-12-31T16:01:36Z The primary dengue virus vectors, Aedes aegypti and Aedes albopictus, are primarily daytime biting mosquitoes. The risk of infection is suspected to be considerable in urban parks due to visitor traffic. Despite the importance of vector control for reducing dengue transmission, little information is available on vector populations in urban parks. The present study characterized mosquito habitats and estimated vector densities in the major urban parks in Ho Chi Minh City, Vietnam and compared them with those in adjacent residential areas. The prevalences of habitats where Aedes larvae were found were 43% and 9% for the parks and residential areas, respectively. The difference was statistically significant (prevalence ratio [PR]: 5.00, 95% CI: 3.85-6.49). The prevalences of positive larval habitats were significantly greater in the parks for both species than the residential areas (PR: 1.52, 95% CI: 1.04-2.22 for A. aegypti, PR: 10.10, 95% CI: 7.23-14.12 for A. albopictus). Larvae of both species were positively associated with discarded containers and planters. Aedes albopictus larvae were negatively associated with indoor habitats, but positively associated with vegetation shade. The adult density of A. aegypti was significantly less in the parks compared with the residential areas (rate ratio [RR]; 0.09, 95% CI: 0.05-0.16), while the density of A. albopictus was significantly higher in the parks (RR: 9.99, 95% CI: 6.85-14.59). When the species were combined, the density was significantly higher in the parks (RR: 2.50, 95% CI: 1.92-3.25). The urban parks provide suitable environment for Aedes mosquitoes, and A. albopictus in particular. Virus vectors are abundant in the urban parks, and the current vector control programs need to have greater consideration of urban parks. Article in Journal/Newspaper Arctic Directory of Open Access Journals: DOAJ Articles Arctic PLOS Neglected Tropical Diseases 16 1 e0010119 |
institution |
Open Polar |
collection |
Directory of Open Access Journals: DOAJ Articles |
op_collection_id |
ftdoajarticles |
language |
English |
topic |
Arctic medicine. Tropical medicine RC955-962 Public aspects of medicine RA1-1270 |
spellingShingle |
Arctic medicine. Tropical medicine RC955-962 Public aspects of medicine RA1-1270 Trang Thi Thuy Huynh Noboru Minakawa A comparative study of dengue virus vectors in major parks and adjacent residential areas in Ho Chi Minh City, Vietnam. |
topic_facet |
Arctic medicine. Tropical medicine RC955-962 Public aspects of medicine RA1-1270 |
description |
The primary dengue virus vectors, Aedes aegypti and Aedes albopictus, are primarily daytime biting mosquitoes. The risk of infection is suspected to be considerable in urban parks due to visitor traffic. Despite the importance of vector control for reducing dengue transmission, little information is available on vector populations in urban parks. The present study characterized mosquito habitats and estimated vector densities in the major urban parks in Ho Chi Minh City, Vietnam and compared them with those in adjacent residential areas. The prevalences of habitats where Aedes larvae were found were 43% and 9% for the parks and residential areas, respectively. The difference was statistically significant (prevalence ratio [PR]: 5.00, 95% CI: 3.85-6.49). The prevalences of positive larval habitats were significantly greater in the parks for both species than the residential areas (PR: 1.52, 95% CI: 1.04-2.22 for A. aegypti, PR: 10.10, 95% CI: 7.23-14.12 for A. albopictus). Larvae of both species were positively associated with discarded containers and planters. Aedes albopictus larvae were negatively associated with indoor habitats, but positively associated with vegetation shade. The adult density of A. aegypti was significantly less in the parks compared with the residential areas (rate ratio [RR]; 0.09, 95% CI: 0.05-0.16), while the density of A. albopictus was significantly higher in the parks (RR: 9.99, 95% CI: 6.85-14.59). When the species were combined, the density was significantly higher in the parks (RR: 2.50, 95% CI: 1.92-3.25). The urban parks provide suitable environment for Aedes mosquitoes, and A. albopictus in particular. Virus vectors are abundant in the urban parks, and the current vector control programs need to have greater consideration of urban parks. |
format |
Article in Journal/Newspaper |
author |
Trang Thi Thuy Huynh Noboru Minakawa |
author_facet |
Trang Thi Thuy Huynh Noboru Minakawa |
author_sort |
Trang Thi Thuy Huynh |
title |
A comparative study of dengue virus vectors in major parks and adjacent residential areas in Ho Chi Minh City, Vietnam. |
title_short |
A comparative study of dengue virus vectors in major parks and adjacent residential areas in Ho Chi Minh City, Vietnam. |
title_full |
A comparative study of dengue virus vectors in major parks and adjacent residential areas in Ho Chi Minh City, Vietnam. |
title_fullStr |
A comparative study of dengue virus vectors in major parks and adjacent residential areas in Ho Chi Minh City, Vietnam. |
title_full_unstemmed |
A comparative study of dengue virus vectors in major parks and adjacent residential areas in Ho Chi Minh City, Vietnam. |
title_sort |
comparative study of dengue virus vectors in major parks and adjacent residential areas in ho chi minh city, vietnam. |
publisher |
Public Library of Science (PLoS) |
publishDate |
2022 |
url |
https://doi.org/10.1371/journal.pntd.0010119 https://doaj.org/article/f92b79765fe24d1485293014730b406c |
geographic |
Arctic |
geographic_facet |
Arctic |
genre |
Arctic |
genre_facet |
Arctic |
op_source |
PLoS Neglected Tropical Diseases, Vol 16, Iss 1, p e0010119 (2022) |
op_relation |
https://doi.org/10.1371/journal.pntd.0010119 https://doaj.org/toc/1935-2727 https://doaj.org/toc/1935-2735 1935-2727 1935-2735 doi:10.1371/journal.pntd.0010119 https://doaj.org/article/f92b79765fe24d1485293014730b406c |
op_doi |
https://doi.org/10.1371/journal.pntd.0010119 |
container_title |
PLOS Neglected Tropical Diseases |
container_volume |
16 |
container_issue |
1 |
container_start_page |
e0010119 |
_version_ |
1766344345100746752 |