Can Leishmania Be Transmitted?

Can Leishmania Be Transmitted? Transmission. Leishmania parasites are transmitted through the bites of infected female phlebotomine sandflies, which feed on blood to produce eggs. Is leishmaniasis contagious in humans? Leishmaniasis is not contagious person to person. Sand fly bites are necessary to transfer the parasite from the sand fly to the human. Can leishmaniasis spread