A 38-year study on Trichinella spp. in wild boar (Sus scrofa) of Latvia shows a stable incidence with an increased parasite biomass in the last decade.

In Spain, a decreasing trend of Trichinella spp. in the wild boar population during 1998 to 2009, was associated with an increase in fenced areas, which prevented the circulation of wild carnivores considered the most important reservoir of Trichinella spp.

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