| Autor: |
Conn JE; Wadsworth Center, New York State Department of Health, Albany, New York.; Department of Biomedical Sciences, School of Public Health, State University of New York-Albany, Albany, New York., Bickersmith SA; Wadsworth Center, New York State Department of Health, Albany, New York., Saavedra MP; Amazonian International Center of Excellence for Malaria Research, Laboratorios de Investigación y Desarrollo, Facultad de Ciencias y Filosofía, Universidad Peruana Cayetano Heredia, Lima, Peru., Morales JA; Amazonian International Center of Excellence for Malaria Research, Laboratorios de Investigación y Desarrollo, Facultad de Ciencias y Filosofía, Universidad Peruana Cayetano Heredia, Lima, Peru., Alava F; Ministry of Health, Iquitos, Peru., Diaz Rodriguez GA; Laboratorio de Salud Pública-Gerencia Regional de Salud de Loreto, GERESA, Iquitos, Peru., Del Aguila Morante CR; Laboratorio de Salud Pública-Gerencia Regional de Salud de Loreto, GERESA, Iquitos, Peru., Tong CG; Laboratorio de Salud Pública-Gerencia Regional de Salud de Loreto, GERESA, Iquitos, Peru., Alvarez-Antonio C; Gerencia Regional de Salud de Loreto, GERESA, Iquitos, Peru., Daza Huanahui JM; Red de Salud Datem del Marañon - Gerencia Regional de Salud de Loreto, GERESA, Iquitos, Peru., Vinetz JM; Amazonian International Center of Excellence for Malaria Research, Laboratorios de Investigación y Desarrollo, Facultad de Ciencias y Filosofía, Universidad Peruana Cayetano Heredia, Lima, Peru.; Laboratorio de Malaria: Parásitos y Vectores, Laboratorios de Investigación y Desarrollo, Facultad de Ciencias y Filosofía, Universidad Peruana Cayetano Heredia, Lima, Peru.; Section of Infectious Diseases, Department of Internal Medicine, Yale School of Medicine, New Haven, Connecticut.; VA Connecticut Healthcare System, West Haven, Connecticut.; Instituto de Medicina Tropical Alexander von Humboldt, Universidad Peruana Cayetano Heredia, Lima, Peru., Gamboa D; Amazonian International Center of Excellence for Malaria Research, Laboratorios de Investigación y Desarrollo, Facultad de Ciencias y Filosofía, Universidad Peruana Cayetano Heredia, Lima, Peru.; Laboratorio de Malaria: Parásitos y Vectores, Laboratorios de Investigación y Desarrollo, Facultad de Ciencias y Filosofía, Universidad Peruana Cayetano Heredia, Lima, Peru.; Instituto de Medicina Tropical Alexander von Humboldt, Universidad Peruana Cayetano Heredia, Lima, Peru. |
| Abstrakt: |
The persistence of malaria hotspots in Datem del Marañon Province, Peru, prompted vector control units at the Ministry of Health, Loreto Department, to collaborate with the Amazonian International Center of Excellence for Malaria Research to identify the main vectors in several riverine villages that had annual parasite indices > 15 in 2018-2019. Anophelinae were collected indoors and outdoors for two 12-hour nights/community during the dry season in 2019 using human landing catch. We identified four species: Nyssorhynchus benarrochi B, Nyssorhynchus darlingi, Nyssorhynchus triannulatus, and Anopheles mattogrossensis. The most abundant, Ny. benarrochi B, accounted for 96.3% of the total (7,550/7,844), of which 61.5% were captured outdoors (4,641/7,550). Six mosquitoes, one Ny. benarrochi B and five Ny. darlingi, were infected by Plasmodium falciparum or Plasmodium vivax. Human biting rates ranged from 0.5 to 592.8 bites per person per hour for Ny. benarrochi B and from 0.5 to 32.0 for Ny. darlingi, with entomological inoculation rates as high as 0.50 infective bites per night for Ny. darlingi and 0.25 for Ny. benarrochi B. These data demonstrate the risk of malaria transmission by both species even during the dry season in villages in multiple watersheds in Datem del Marañon province. |
