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Medicina (Buenos Aires)

Print version ISSN 0025-7680On-line version ISSN 1669-9106


SALOMON, Oscar D. et al. Phlebotominae: vectors of leishmaniasis in the provinces of Santa Fe and Entre Ríos, Argentina. Medicina (B. Aires) [online]. 2006, vol.66, n.3, pp.220-224. ISSN 0025-7680.

The transmission of tegumentary leishmaniasis (TL) has increased in 9 provinces of Argentina since 1985. Santa Fe and Entre Ríos did not record in this period autochtonous probed cases: however, an epidemic outbreak took place in 2003 in Bella Vista, Corrientes, located in an area with ecological continuity and contiguous to both provinces. In order to evaluate the potential risk of transmission of  LT, Phlebotominae were captured at locations close to and southern from Bella Vista during February 2004. The traps located on the shores of Parana river in Santa Fe (El Rabón, Villa Ocampo, Cayastá), and Entre Ríos (La Paz. La Celina-Villa Urquiza) captured 860 individuals of Lutzomyia neivai (99.5%) and Lu. migonei (0.5 %), both species with vectorial capacity for Leishmania (V.) braziliensis. In Tartagal, Santa Fe, the captures were consistent with the residual «chaco» landscape, 7 individuals of Lu. nerivai, Lu. migonei and Lu. cortelezzii. The risk of  LT epidemic transmission in these provinces is highlighted, mainly due to the progressive southern tropicalization of the paranaense gallery forest. Clinical and entomological surveillance is recommended.

Keywords : leishmaniasis; Lutzomyia; Argentina; Santa Fe; Entre Ríos.

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