title: Malaria vectors in San José del Guaviare, Orinoquia, Colombia.
abstract: This study was conducted to determine Anopheles species composition and their natural infectivity by human Plasmodium in 2 localities with the highest malaria transmission in San Jose del Guaviare, Guaviare, Colombia. A total of 1,009 Anopheles mosquitoes were collected using human landing catches during 8 months in 2010. Anopheles darlingi was the most abundant (83.2%) followed by An. albitarsis s.l. (8.6%), Anopheles braziliensis (3.8%), An. oswaldoi s.l. (1%), and An. rangeli (0.3%). Anopheles darlingi showed the highest human biting rate, and it was found naturally infected with Plasmodium vivax VK210 (0.119%) using enzyme-linked immunosorbent assays. All species were collected biting both indoors and outdoors. Anopheles darlingi showed biting activity overnight with an indoor peak between 1200-0100 h. Therefore, we recommend that malaria prevention strategies focus on 1) insecticide-treated nets to reduce human-vector contact when people are most exposed and unprotected; 2) accurate diagnoses; 3) adequate treatment for patients; 4) more timely epidemiological notification; and 5) improved entomological surveillance.
authors.forename: Irene P
authors.initials: IP
authors.lastname: Jiménez
authors.forename: Jan E
authors.initials: JE
authors.lastname: Conn
authors.forename: Helena
authors.initials: H
authors.lastname: Brochero
mesh_terms: D000818:Animals; D000852:Anopheles / Q000145:classification* / Q000469:parasitology*; D058448:Biota; D003105:Colombia; D004784:Environmental Monitoring; D004797:Enzyme-Linked Immunosorbent Assay; D007303:Insect Vectors / Q000145:classification* / Q000469:parasitology*; D008288:Malaria / Q000517:prevention & control* / Q000635:transmission; D010961:Plasmodium / Q000302:isolation & purification*; D012621:Seasons
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