Occurrence and subtyping of the intestinal protozoan Blastocystis sp. in French oyster areas reveal potential fecal contamination routes and associated risks to consumer health

Published: 04/13/2026

Ryckman, Manon & al - Food and waterborne parasitology - vol. 43 e00332. 19 Mar. 2026, doi:10.1016/j.fawpar.2026.e00332

 

Blastocystis sp. is the most frequently detected intestinal protozoan in humans and recognized as a zoonotic eukaryote. Therefore, raw-consumed mollusks such as oysters may act as potential reservoirs for contamination, posing a risk to consumer health.

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