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Beyond Bacteria: Parasites Cause 277M Food Illnesses
19 Aug
Summary
- Hundreds of millions of illnesses worldwide linked to invasive parasites annually.
- Over 171 million illnesses are estimated to be foodborne in origin.
- Parasitic diseases cause significant DALYs, with Taenia solium and Clonorchis sinensis being major contributors.
Hundreds of millions of illnesses globally may stem from invasive parasites each year, revealing a significant, underrecognized public health concern. An analysis in The Lancet Global Health estimates 277 million illnesses, with 171 million attributable to foodborne transmission.
The research examined 14 parasitic diseases between 2000 and 2021. While the overall burden declined globally, the fishborne parasite Clonorchis sinensis showed an increase, prompting a 'wakeup call' for health authorities in affected regions.
Parasites like Taenia solium and Clonorchis sinensis were linked to the highest numbers of foodborne deaths and disability-adjusted life-years. Prevention requires a broad approach, including thorough cooking, safe water, hygiene, and waste disposal, alongside a 'One Health' strategy.
The burden was greatest in the Americas, largely due to Chagas disease, with Africa following due to neurocysticercosis. While Chagas disease is often linked to insect bites, foodborne transmission also contributes significantly and can lead to more severe illness.
