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Visceral leishmaniasis in Argentina. Cases notification and distribution of vectors (2006-2012)


, : Visceral leishmaniasis in Argentina. Cases notification and distribution of vectors (2006-2012). Medicina 73(2): 104-110

Visceral leishmaniasis (VL) is a notifiable disease in Argentina. Every new case diagnosed must be reported to the National Health Surveillance System. In the period 2006-2012, a total of 103 cases have been notified in four provinces: Entre Rios, Santa Fe, Misiones and Santiago del Estero. Misiones has the largest amount of cases: a total of 80, detected in 15 towns from May 2006 to July 2012. The highest incidence is observed in children (less than 15 years of age). In 2004 the vector Lutzomyia longipalpis was detected for the first time in Formosa Province. Cases of human and canine VL, as well as the presence of the canine vector were reported in 2006 in the province of Misiones, and in 2008-2009 in the province of Corrientes. In Santiago del Estero cases of human and canine VL (2008) were possibly associated with secondary vectors. In 2010 Lu longipalpis was found in Entre Rios, showing its dispersal to the south. Between January and April 2011 a systematic search of the VL vector was carried out in 13 towns, in Entre Ríos, Santa Fe and Santiago del Estero Provinces (275 traps/night). The colonization of the vector Lu longipalpis was proved in Chajarí town (Entre Rios), but not in Santiago del Estero Province, where Migonemyia migonei appears as a putative LV vector.

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PMID: 23570757


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