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Sammanfattning

Soil-transmitted helminths (STH) are intestinal worms that infect 24% of the world's population. Stopping the spread of STH is difficult, as the eggs are resilient (can withstand high pH) and persistent (can remain viable in soils for several years). To ensure that new sanitation systems can inactivate STH, a better understanding of their resilience is required. This study assessed the inactivation ofAscariseggs under various conditions, in terms of moisture content (MC) (90%), temperature (20-50 degrees C) and pH (7-12.5). The results highlight that the exposure ofAscariseggs to elevated pH (10.5-12.5) at temperatures 70 days had no effect on egg viability. Compounding effects of alkaline pH (>= 10.5) or decreasing MC (

Nyckelord

disease transmission; helminths; nutrient recycling; sanitisation; STH

Publicerad i

Journal of Water and Health
2020, volym: 18, nummer: 3, sidor: 375-382

SLU författare

UKÄ forskningsämne

Markvetenskap
Folkhälsovetenskap, global hälsa och socialmedicin
Epidemiologi

Publikationens identifierare

  • DOI: https://doi.org/10.2166/wh.2020.264

Permanent länk till denna sida (URI)

https://res.slu.se/id/publ/105755