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Volume 32, Number 5—May 2026

Research

Zoonotic and Anthroponotic Plasmodium spp. Circulation between Wild Primates and Indigenous Community, Peruvian Amazon, 2007–2020

Gabriela M. UlloaComments to Author , Alex D. Greenwood, Omar E. Cornejo, Henar Alonso, Meddly L. Santolalla Robles, Stephanie Montero, Andres G. Lescano, and Pedro Mayor
Author affiliation: Universidade Federal Rural da Amazônia, Belém-Pará, Brazil (G.M. Ulloa); Universidad Científica del Sur, Lima, Peru (G.M. Ulloa); Leibniz-Institute for Zoo and Wildlife Research, Berlin, Germany (A.D. Greenwood); Freie Universität Berlin, Berlin (A.D. Greenwood); University of California Santa Cruz, Santa Cruz, California, USA (O.E. Cornejo); University of Zaragoza, Zaragoza, Spain (H. Alonso); Universidad Peruana Cayetano Heredia, Lima (M.L. Santolalla Robles, S. Montero, A.G. Lescano); Universidad Peruana de Ciencias Aplicadas, Lima (S. Montero); Universitat Autònoma de Barcelona, Bellaterra-Barcelona, Spain (P. Mayor); Comunidad de Manejo de Fauna Silvestre en la Amazonía y en Latinoamérica, Iquitos, Peru (P. Mayor); Museo de Culturas Indígenas Amazónicas, Iquitos (P. Mayor)

Main Article

Table 1

Association between clinical symptoms and Plasmodium spp. quantitative PCR results in 110 members of Indigenous Yagua community, Nueva Esperanza, Loreto region, Peru, 2020*

Result No. (%) asymptomatic persons, n = 72 No. (%) symptomatic persons, n = 38† Prevalence ratio (95% CI)‡ p value§
Negative 56 (77.8) 11 (28.9) Referent <0.001
Positive 16 (22.2) 27 (71.1) 3.82 (2.13–6.88)

*Prevalence ratios and 95% CIs estimated by using the cohort.count method in epiR (The R Project for Statistical Computing, https://www.r-project.org). †Defined as persons reporting >1 malaria-related symptom (e.g., fever, headache, vomiting, nausea, pallor, or diarrhea) at the time of sampling. ‡Calculated by using asymptomatic persons as reference. §By Fisher exact test.

Main Article

Page created: March 17, 2026
Page updated: April 28, 2026
Page reviewed: April 28, 2026
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