SynthesisPLoS neglected tropical diseases2019
Ultraviolet sensitivity of WASH (water, sanitation, and hygiene) -related helminths: A systematic review.
Synthesis in PLoS neglected tropical diseases, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
4 citing papers in PubMed.
- The lethal effect of soap on Schistosoma mansoni cercariae in water.PLoS neglected tropical diseases · 2024Article
- Approaches to safe water, environmental sanitation, and hygiene in the Democratic Republic of Congo - editorial.Annals of medicine and surgery (2012) · 2023Article
- Photochemical advanced oxidative process treatment effect on the pesticide residues reduction and quality changes in dried red peppers.Scientific reports · 2023Article
- Ultraviolet disinfection of Schistosoma mansoni cercariae in water.PLoS neglected tropical diseases · 2021Article
Corrections and comments
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Authors and funding
3 authors.
Funding
Abstract
backgroundHelminthiases are a group of disabling neglected tropical diseases that affect billions of people worldwide. Current control methods use preventative chemotherapy but reinfection is common and an inter-sectoral approach is required if elimination is to be achieved. Household and community scale water treatment can be used to provide a safe alternative water supply for contact activities, reducing exposure to WASH (water, sanitation, and hygiene) -related helminths. With the introduction of ultraviolet light emitting diodes (UV-C LEDs), ultraviolet (UV) disinfection could be a realistic option for water treatment in low-income regions in the near future, to provide safe alternative water supplies for drinking and contact activities such as handwashing, bathing, and laundry, but currently there is no guidance for the use of UV or solar disinfection against helminths. METHODOLOGY: A qualitative systematic review of existing literature was carried out to establish which WASH-related helminths are more susceptible to UV disinfection and identify gaps in research to inform future studies. The search included all species that can infect humans and can be transmitted through water or wastewater. Five online databases were searched and results were categorized based on the UV source: sunlight and solar simulators, UV-A and UV-B (long wavelength) sources, and UV-C (germicidal) sources.
conclusionsThere has been very little research into the UV sensitivity of helminths; only 47 studies were included in this review and the majority were carried out before the standard protocol for UV disinfection experiments was published. Only 18 species were studied; however all species could be inactivated by UV light. Fluences required to achieve a 1-log inactivation ranged from 5 mJ/cm2 to over 800 mJ/cm2. Larval forms were generally more sensitive to UV light than species which remain as an egg in the environment. This review confirms that further research is required to produce detailed recommendations for household or community scale UV-C LED or solar disinfection (SODIS) of water for preventing helminthiases.
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Registered trials
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