Strongyloides stercoralis is a soil-transmitted helminth with an unusual life cycle, causing canine and human strongyloidiasis, mainly endemic in tropical and subtropical areas. Following percutaneous or oral transmission of infective third-stage larvae in the vertebrate host, the parasite can cause autoinfection, leading to life-long infection. At present, the transmammary transmission was only assessed in experimentally infested dogs. Here, we provide observational evidence of S. stercoralis transmammary transmission in puppies suckling from a truffle dog from Central Italy, from where its presence was neglected.
Keywords: Geohelminths; Italy; parasite; soil-transmitted helminth; zoonosis.
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