Community-based entomological surveillance in three Chagas disease-endemic regions in sub-Andean Bolivia
| Autor: | Yurly Escobar Caballero, Fernando A. Monteiro, Jimy Pinto, Mario Castellon, María-Jesús Pinazo, Rosse Mary Grágeda, Jareth Sanchez, Helmut Magne Anzoleaga, Daniel Lozano, Gloria Sandy Urioste, Wilson Garcia, Mirko Rojas-Cortez, Faustino Torrico, Ruth Saravia, Filipe Anibal Carvalho-Costa, Isabel Gonzales Mur, Lourdes Ortiz Daza, Enzo Gamarra, Rene Fernandez, Joaquim Gascon, Eduardo Rueda |
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| Rok vydání: | 2021 |
| Předmět: |
Community based
Chagas disease Bolivia biology Trypanosoma cruzi Public Health Environmental and Occupational Health Prevalence General Medicine Triatoma guasayana medicine.disease biology.organism_classification Insect Vectors Infectious Diseases Triatoma sordida Geography Triatoma infestans medicine Animals Humans Chagas Disease Parasitology Triatoma Demography |
| Zdroj: | Transactions of The Royal Society of Tropical Medicine and Hygiene. 115:1251-1259 |
| ISSN: | 1878-3503 0035-9203 |
| DOI: | 10.1093/trstmh/trab150 |
| Popis: | Background Chagas disease is endemic throughout most of Bolivia, with prevalence rates of 25% observed in some geographic areas located mainly in the sub-Andean region. Methods Community-based entomological surveillance was carried out in the sub-Andean departments of Cochabamba (municipalities of Cochabamba, Punata and Sacaba), Tarija (municipality of Tarija) and Chuquisaca (municipality of Sucre). The surveillance parameters evaluated were: (i) the proportion of cards with the presence of triatomines; (ii) the distribution of positive cards by area; and (iii) the proportion of cards with the presence of infected triatomines. Results Of the cards returned, in 852 (3.1%) there was a mention of the presence of triatomines. The species Triatoma infestans, Triatoma sordida and Triatoma guasayana were identified in 812 (95.3%), 39 (4.6%) and 1 (0.1%), respectively. The median monthly positivity rate of the cards during 2011-2018 was higher in Punata (9.1%; IQR=3.2–15.4%). The median monthly rate was highest in 2012 (2.7%; IQR=0–5.6%). Fifty positive cards (5.8%) presented insects that were positive for trypanosomatids, mainly in Cochabamba and Punata. Conclusions The report of triatomines foci by inhabitants represents an effective surveillance system coordinated by a network of specialized and multidisciplinary health centers. These strategies, which should be included in the health policies of endemic countries, enable extending and deepening the dialogue among technicians, communities and their local authorities. |
| Databáze: | OpenAIRE |
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