Weekly epidemiological record / Relevé épidémiologique hebdomadaire<br> 22 SEPTEMBER 2017, 92th YEAR / 22 SEPTEMBRE 2017, 92e ANNÉE<br> No 38, 2017, 92, 557–572<br> There are 4 main forms of the disease: visceral leishmaniasis (VL, also known as kala-azar); post-kala-azar dermal leishmaniasis (PKDL); cutaneous leishmaniasis (CL); and mucocutaneous leishmaniasis (MCL). While cutaneous leishmaniasis is the most common form of the disease, visceral leishmaniasis is the most serious and can be fatal if untreated. Additionally, leishmaniasis can be classified as anthroponotic or zoonotic depending on whether the natural reservoir of the parasite is human or animal.<br> This report updates global epidemiological information on VL and CL to 2015, based on the main indicators published in the GHO, as of 1st September 2017.