U.S. Army Spc. Marina Houff, Joint Task Force – Bravo Medical Element preventive medicine technician, takes water sample from a reservoir tank during a Leishmaniasis investigation, July 10, 2019, at La Libertad, Honduras. Members of JTF-B were asked by the Honduran Ministry of Health to conduct an investigation into the cause of Leishmaniasis and provide any recommendations that may stop infection. Leishmaniasis is a parasitic disease that is caused by infection with leishmania parasites, which are spread through the bite of sand flies.