Wolf Is Back: A Novel Sensitive Sentinel Rejoins the Cycle in the Western Alps.

is a foodborne parasite whose wildlife reservoirs are represented by carnivores and omnivores with predatory and scavenger behavior. The aim of the present study was to investigate the occurrence of infection in grey wolves () that recolonized the Western Alps from the end of the past century, and discuss the epidemiological role played by this apex predator in the early phases of its return. During the period 2017-2022, diaphragm samples were obtained from 130 individuals collected in the frame of a wolf mortality survey.