Universidad Peruana Cayetano Heredia

Temporal and Microspatial Heterogeneity in Transmission Dynamics of Coendemic Plasmodium vivax and Plasmodium falciparum in Two Rural Cohort Populations in the Peruvian Amazon.

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dc.contributor.author Rosas-Aguirre, Angel
dc.contributor.author Guzman Guzman, Mitchel Anthony
dc.contributor.author Chuquiyauri, Raul
dc.contributor.author Moreno, Marta
dc.contributor.author Manrique Valverde, Paulo Cesar
dc.contributor.author Ramirez, Roberson
dc.contributor.author Carrasco Escobar, Gabriel
dc.contributor.author Rodriguez, Hugo
dc.contributor.author Speybroeck, Niko
dc.contributor.author Conn, Jan E.
dc.contributor.author Gamboa Vilela, Dionicia Baziliza
dc.contributor.author Vinetz, Joseph Michael
dc.contributor.author Llanos Cuentas, Elmer Alejandro
dc.date.accessioned 2021-05-18T21:44:17Z
dc.date.available 2021-05-18T21:44:17Z
dc.date.issued 2021
dc.identifier.uri https://hdl.handle.net/20.500.12866/9403
dc.description.abstract BACKGROUND: Malaria is highly heterogeneous: its changing malaria microepidemiology needs to be addressed to support malaria elimination efforts at the regional level. METHODS: A 3-year, population-based cohort study in 2 settings in the Peruvian Amazon (Lupuna, Cahuide) followed participants by passive and active case detection from January 2013 to December 2015. Incidence and prevalence rates were estimated using microscopy and polymerase chain reaction (PCR). RESULTS: Lupuna registered 1828 infections (1708 Plasmodium vivax, 120 Plasmodium falciparum; incidence was 80.7 infections/100 person-years (95% confidence interval [CI] , 77.1-84.5). Cahuide detected 1046 infections (1024 P vivax, 20 P falciparum, 2 mixed); incidence was 40.2 infections/100 person-years (95% CI, 37.9-42.7). Recurrent P vivax infections predominated onwards from 2013. According to PCR data, submicroscopic predominated over microscopic infections, especially in periods of low transmission. The integration of parasitological, entomological, and environmental observations evidenced an intense and seasonal transmission resilient to standard control measures in Lupuna and a persistent residual transmission after severe outbreaks were intensively handled in Cahuide. CONCLUSIONS: In 2 exemplars of complex local malaria transmission, standard control strategies failed to eliminate submicroscopic and hypnozoite reservoirs, enabling persistent transmission en_US
dc.language.iso eng
dc.publisher Oxford University Press
dc.relation.ispartofseries Journal of Infectious Diseases
dc.rights info:eu-repo/semantics/restrictedAccess
dc.rights.uri https://creativecommons.org/licenses/by-nc-nd/4.0/deed.es
dc.subject Peru en_US
dc.subject Malaria en_US
dc.subject Amazon en_US
dc.subject human biting rate en_US
dc.subject transmission en_US
dc.title Temporal and Microspatial Heterogeneity in Transmission Dynamics of Coendemic Plasmodium vivax and Plasmodium falciparum in Two Rural Cohort Populations in the Peruvian Amazon. en_US
dc.type info:eu-repo/semantics/article
dc.identifier.doi https://doi.org/10.1093/infdis/jiaa526
dc.subject.ocde https://purl.org/pe-repo/ocde/ford#3.03.08
dc.relation.issn 1537-6613


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