Entomological Surveillance of Aedes Mosquitoes: Comparison of Different Collection Methods in an Endemic Area in RIO de Janeiro, Brazil

Using collection methods for Aedes adults as surveillance tools provides reliable indices and arbovirus detection possibilities. This study compared the effectiveness of different methods for collecting Ae. aegypti and Ae. albopictus and detecting arboviruses circulating in field-caught female speci...

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Published in:Tropical medicine and infectious disease 2022-06, Vol.7 (7), p.114
Main Authors: Câmara, Daniel Cardoso Portela, Codeço, Claudia Torres, Ayllón, Tania, Nobre, Aline Araújo, Azevedo, Renata Campos, Ferreira, Davis Fernandes, da Silva Pinel, Célio, Rocha, Gláucio Pereira, Honório, Nildimar Alves
Format: Article
Language:English
Subjects:
adultrap
Aedes
BG-Sentinel
Cities
Dengue fever
entomological surveillance
Epidemics
Females
mosquito vectors
Mosquitoes
Outdoors
Seasons
trap comparison
Zika virus
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Summary:Using collection methods for Aedes adults as surveillance tools provides reliable indices and arbovirus detection possibilities. This study compared the effectiveness of different methods for collecting Ae. aegypti and Ae. albopictus and detecting arboviruses circulating in field-caught female specimens. Collection sites were defined in urban, peri-urban, and rural landscapes in two Brazilian cities. Collections were performed using Adultraps (ADT), BG-Sentinel (BGS), CDC-like traps (CDC), and indoor (ASP-I) and outdoor (ASP-O) aspiration during the rainy and dry seasons of 2015 and 2016. Generalized linear mixed models were used to model the effectiveness of each collection method. A total of 434 Ae. aegypti and 393 Ae. albopictus were collected. In total, 64 Ae. aegypti and sixteen Ae. albopictus female pools were tested for DENV, CHIKV, ZIKV, or YFV; none were positive. Positivity and density were linear at low densities (
ISSN:2414-6366
2414-6366
DOI:10.3390/tropicalmed7070114