canine visceral leishmaniasis was assayed on five mongrel dogs experimentally infected
with Leishmania donovani and on 21 Leishmania chagasi naturally infected dogs when
seropositive to FML but completely asymptomatic. The clinical signs of the experimentally
infected, symptomatic dogs only disappeared after the complete vaccination. Protection was
obtained in 3/5 animals that remained asymptomatic, IDR positive and parasite free, 1 year …