Biology, Epidemiology and Interactions of Parasitic Diseases

A special issue of Pathogens (ISSN 2076-0817). This special issue belongs to the section "Parasitic Pathogens".

Deadline for manuscript submissions: 31 July 2025 | Viewed by 963

Special Issue Editors


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Guest Editor
Institute of Agricultural Sciences, Universidade Federal de Jataí, Jatai, Brazil
Interests: parasitology; parasitic diseases; epidemiology; helminthology; ticks; ticks-borne diseases; zoonosis; Rickettsia; wildlife

E-Mail Website
Guest Editor
Curso de Biomedicina, Federal University of Jataí, Jatai, Brazil
Interests: microbiology; biofilms; toxoplasmosis

Special Issue Information

Dear Colleagues,

Several biotic and abiotic factors can interfere with the development of species, and parasites are biotic factors that interfere with the dynamics, density, dispersal, and development of domestic and wild animals, and even humans. Among the parasite–host relationships, there is the following: parasites can kill their hosts, change their eating habits, and interfere with the reproduction process of their hosts; increase the dispersion of populations; or have no effect. Furthermore, the accelerated process of anthropization, which causes habitat restrictions and increases human interaction with several species of wild animals, has been altering the biological dynamics of several pathogens in natural adaptation processes due to these new interactions, including parasites. Knowledge about biology, epidemiology, and interactions in parasitic diseases is essential for control strategies and public policies to be adopted effectively, especially in zoonoses, emerging diseases, and neglected diseases.

In this Special Issue, we aim to collect recent, high-quality research, reviews, and short communications involving studies of biology, epidemiology, and interactions in parasitic diseases.

We look forward to receiving your valuable contributions to this Special Issue.

Prof. Dr. Dirceu Guilherme de Souza Ramos
Prof. Dr. Hanstter Hallison Alves Rezende
Guest Editors

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Keywords

  • host–parasite interactions
  • parasitic diseases
  • vectors
  • parasites

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Published Papers (1 paper)

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Research

13 pages, 1092 KiB  
Article
Risk of Environmental Contamination by Gastrointestinal Parasites in Public Areas of the Central Plateau Microregion of Brazil: A Public Health Concern
by Ana Julia de Almeida Martins, Alice Caroline da Silva Rocha, Zara Mariana de Assis-Silva, Guilherme Oliveira Maia, Bruna Samara Alves-Ribeiro, Raiany Borges Duarte, Iago de Sá Moraes, Nicoly Ferreira de Urzedo, Lizandra Fernandes-Silva, Ana Paula Carvalho Gomes, Samara Moreira Felizarda, Mayra Parreira Oliveira, Klaus Casaro Saturnino, Hanstter Hallison Alves Rezende, Rosângela Maria Rodrigues, Dirceu Guilherme de Souza Ramos and Ísis Assis Braga
Pathogens 2025, 14(3), 211; https://doi.org/10.3390/pathogens14030211 - 21 Feb 2025
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Abstract
The risk of zoonotic parasitic infections is closely linked to direct and indirect interactions between animals and humans. The mutual coexistence of species in public spaces predisposes individuals to gastrointestinal parasitosis owing to various social and hygienic-sanitary factors. This study aimed to assess [...] Read more.
The risk of zoonotic parasitic infections is closely linked to direct and indirect interactions between animals and humans. The mutual coexistence of species in public spaces predisposes individuals to gastrointestinal parasitosis owing to various social and hygienic-sanitary factors. This study aimed to assess the risk of environmental contamination by gastrointestinal parasites in fecal samples collected from parks and public squares in 18 municipalities located in a microregion of the central plateau of Brazil, correlating the collection with the population size of each municipality. We collected 536 soil fecal samples from 117 randomly selected public areas across a 56,111.874 km2 region. Eggs, cysts, and oocysts were detected using the Willis flotation technique and the Hoffman’s spontaneous sedimentation method. The Hoffman’s analysis revealed that 70.3% of the fecal samples were infected across 91.5% of the sampled areas. Identified parasites included the members of the family Ancylostomatidae (56.5%), Toxocara spp. (6.2%), Trichuris spp. (1.7%), Strongyloides spp. (0.2%), Dipylidium caninum (25.8%), Spirometra spp. (0.4%), Taeniidae (0.2%), Platynosomum fastosum (0.6%), Trematoda (0.2%), Giardia spp. (3.2%), Cystoisospora spp. (5.6%), Sarcocystis spp. (0.2%), and Entamoeba spp. (2.4%). The presence of positive fecal samples in public areas and municipalities correlated with populations of up to 10,000 inhabitants (p = 0.023). Areas contaminated with feces were 63.4% more likely to contain parasites than other areas (odds ratio 1.6336). Favorable environmental factors combined with inadequate sanitary management contribute to a high risk of environmental contamination, representing a significant zoonotic potential and highlighting the need for improved public health policies and preventive measures. Full article
(This article belongs to the Special Issue Biology, Epidemiology and Interactions of Parasitic Diseases)
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