For humans to catch it, we have to swallow the parasite ourselves (which can happen if
we touch infected feces).
Dogs can contract the virus from having oral contact with contaminated feces, but the virus can contaminate anything that
touches the infected feces, such as the dog's paws.
This occurs when dogs are smelling each other, licking the ground, or
touching infected feces.
Not exact matches
It can be found in
feces passed by
infected dogs, and can
infect people if they accidentally
touch these
feces and don't wash their hands afterwards.