Leishmania spp infection in injecting drug users.
D000818:Animals; D004866:Equipment Contamination; D006801:Humans; D018314:Leishmania infantum / Q000302:isolation & purification*; D007898:Leishmaniasis, Visceral / Q000097:blood* / Q000276:immunology; D016485:Needle Sharing; D016133:Polymerase Chain Reaction; D013030:Spain; D015819:Substance Abuse, Intravenous