| http://www.w3.org/ns/prov#value | - The contagion is produced by means of some flies bites ( Chrysops silicea and Chrysops dimidiata.) - Hookworm: (Necator americanus, Ancylostoma duodenale Ancylostoma ceylonicum) Parasitic worms in the form of threads that lays their eggs in dogs, cats and other mammals, including humans.
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