Intestinal Parasitism in Vulnerable Communities: Epidemiology, Molecular Insights, and Socio-Environmental Determinants

A special issue of Parasitologia (ISSN 2673-6772).

Deadline for manuscript submissions: 20 December 2026 | Viewed by 556

Special Issue Editors


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Guest Editor
Consejo Nacional de Investigaciones Científicas y Técninas (CONICET), Fundación Mundo Sano, Buenos Aires, Argentina
Interests: epidemiology and control of soil-transmitted helminths (STH); STH diagnostics; control and prevention of echinococcosis
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Department of Pharmacy Pharmaceutical Technology and Parasitology, Universitat de València, 46100 Burjassot, Spain
Interests: intestinal parasites; intestinal trematode infections; parasitology

Special Issue Information

Dear Colleagues,

Intestinal parasites continue to present a global health challenge, particularly in low-resource settings where risk factors converge. For this upcoming Special Issue, Parasitologia will feature innovative research focusing on epidemiology, risk determinants, and control strategies for intestinal parasitic infections. Contributions will explore the prevalence and diversity of protozoan and helminth species—such as, but not limited to, Giardia intestinalis, Blastocystis spp., Hymenolepis nana, and hookworms—especially in vulnerable populations like indigenous and rural communities. Special emphasis will be placed on the impact of environmental and socio-economic factors, including poor access to water, sanitation, and hygiene (WASH) resources, substandard housing, and limited education, which consistently drive infection risk. This Special Issue will also highlight advances in molecular diagnostics and geospatial analytics, offering novel perspectives on parasite transmission, population dynamics, and spatial clustering. By bringing together multidisciplinary studies, this Special Issue aims to foster a comprehensive understanding of how biological, environmental, and social forces interact to sustain the cycle of intestinal parasitism. Ultimately, the forthcoming collection seeks to inform evidence-based interventions and policymaking, significantly contributing toward the goal of reducing the burden of neglected intestinal parasitic diseases worldwide.

Dr. Maria Victoria Periago
Dr. Carla Muñoz-Antolí
Guest Editors

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Keywords

  • intestinal parasites
  • epidemiology
  • socio-environmental factors
  • molecular diagnostics
  • vulnerable populations

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Published Papers (1 paper)

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Research

11 pages, 443 KB  
Article
Assessment of Intestinal Parasite Risk Factors in Children from Nicaragua’s Caribbean Islands
by Jacklyn Comas, Verónica Prieto, Aleyda Pavón, Rafael Toledo, José Guillermo Esteban and Carla Muñoz-Antoli
Parasitologia 2026, 6(3), 29; https://doi.org/10.3390/parasitologia6030029 - 8 Jun 2026
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Abstract
Background: The lack of set up in vulnerable population settings increases inhabitant’s exposure to fecal–oral pathogens. Objectives: A cross-sectional study was conducted in two Nicaraguan Caribbean islands to determine the prevalence and associated risk factors for intestinal parasitism. Methods: A total of 228 [...] Read more.
Background: The lack of set up in vulnerable population settings increases inhabitant’s exposure to fecal–oral pathogens. Objectives: A cross-sectional study was conducted in two Nicaraguan Caribbean islands to determine the prevalence and associated risk factors for intestinal parasitism. Methods: A total of 228 stool samples were analyzed by modified concentration technique. A structured questionnaire was used to gather variables. Univariate and multivariable logistic regression analysis to determine potential risk factors was employed. Findings: In both islands, overall prevalence of parasitism reached 88.2%. Most parasitism with protist species appeared in El Bluff compared to Rama Cay (p < 0.0001). Trichuris trichiura was the dominant helminth species in El Bluff (79.8%) while Ascaris lumbricoides was in Rama Cay (64.7%). Those who live in Rama Cay had approximately a 78.8% lower chance (odds) (0.212; 95% CI: 0.069–0.541; p = 0.002) of experiencing parasitism than those in El Bluff. The use of latrines remained as the only significant predictor for parasitism (p = 0.013). Main Conclusion: It seems that Rama Cay currently has an improvement in the sanitary facilities that could limit protist parasitism. However, using latrines was assessed as a risk factor for being infected. In addition to the existence of latrines, their proper maintenance and cleaning is necessary to prevent parasitism. Full article
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