Water Microorganisms Associated with Human Health, 2nd Edition

A special issue of Microorganisms (ISSN 2076-2607). This special issue belongs to the section "Public Health Microbiology".

Deadline for manuscript submissions: 30 September 2025 | Viewed by 310

Special Issue Editor


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Guest Editor
ICBAS—UP, Institute of Biomedical Sciences Abel Salazar, University of Porto, Rua Jorge Viterbo Ferreira 228, 4050-313 Porto, Portugal
Interests: antibiotic resistance; drinking water; water analysis
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Special Issue Information

Dear Colleagues,

This Special Issue is the continuation of our previous Special Issue, entitled “Water Microorganisms Associated with Human Health”.

Water and human health are closely intertwined. Water is essential to life but is also a primordial exposure pathway to potentially pathogenic microorganisms and chemical agents. Universal and equitable access to safe and affordable drinking water is recognized as a basic human right and is one of the United Nations’ Sustainable Development Goals. However, the World Health Organization estimates that about 2.2 billion people still live without access to safe water, with most of them being in low-income countries. On the other hand, outbreaks linked to recreational water bathing and ongoing climate change are increasing, including in the Northern Hemisphere. The recent World Health Organization guidelines on bathing water quality identified potential pathogenic anthropogenic sources and naturally occurring microorganisms of possible concern, thus highlighting the need for research to understand the associated microbial ecology. Increasing knowledge leads to the need to revise and update standards and guidelines almost permanently, both for legal criteria and recently identified contaminants. Finally, public health problems related to water quality are expected to increase in upcoming years under the current climate change and population growth scenario. Newly integrated knowledge is pivotal to developing risk assessment tools and mitigation strategies. This Special Issue aims to bridge the gap in knowledge, bringing together the most recent research on the association between water quality and human health. In this Special Issue, original research articles and reviews are welcome. Suggested topic areas include (but are not limited to) new integrated risk assessment schemes, water quality indicators, microbial source tracking, novel detection methods, environmental exposure, and the association between climate change and water quality.

Dr. Ana Machado
Guest Editor

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Keywords

  • drinking water
  • recreational water
  • microorganisms
  • biomarkers
  • emerging contaminants
  • risk assessment
  • waterborne diseases
  • One Health

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Published Papers (1 paper)

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Research

13 pages, 937 KiB  
Article
Anthropogenic Blastocystis from Drinking Well and Coastal Water in Guinea-Bissau (West Africa)
by Sara Gomes-Gonçalves, Ana Machado, Adriano Bordalo and João R. Mesquita
Microorganisms 2025, 13(3), 620; https://doi.org/10.3390/microorganisms13030620 - 7 Mar 2025
Viewed by 181
Abstract
This study provides the first comprehensive investigation of Blastocystis sp. contamination in the drinking well and coastal water sources in Guinea-Bissau, a region grappling with severe water quality challenges. Of the forty-five water samples analyzed (34 well and 9 coastal water sources), Blastocystis [...] Read more.
This study provides the first comprehensive investigation of Blastocystis sp. contamination in the drinking well and coastal water sources in Guinea-Bissau, a region grappling with severe water quality challenges. Of the forty-five water samples analyzed (34 well and 9 coastal water sources), Blastocystis sp. was detected in five (11%, 95% CI: 3.71–24.05) of the wells, which serve as a critical and primary drinking source for local communities. The detection of human-associated Blastocystis sp. subtype (ST)2 and ST3 raises concerns about the potential of fecal contamination as a transmission route for Blastocystis sp., underscoring the public health risks associated with an inadequate WASH (water, sanitation, and hygiene) infrastructure. These findings highlight the urgent need for improved water management and further research on waterborne parasitic infections in resource-limited settings. Full article
(This article belongs to the Special Issue Water Microorganisms Associated with Human Health, 2nd Edition)
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