| transplacental transmission of leishmania infantum as a means for continued disease incidence in north america. | dogs are the predominant domestic reservoir for human l. infantum infection. zoonotic visceral leishmaniasis (zvl) is an emerging problem in some u.s. dog breeds, with an annual quantitative pcr prevalence of greater than 20% within an at-risk foxhound population. although classically leishmania is transmitted by infected sand flies and phlebotomine sand flies exist in the united states, means of ongoing l. infantum transmission in u.s. dogs is currently unknown. possibilities include vertical ( ... | 2011 | 21532741 |