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Type: Artigo de periódico
Title: Human asymptomatic infection in visceral leishmaniasis: A Seroprevalence study in an urban area of low endemicity. Preliminary results
Author: Barao, SC
Camargo-Neves, VLDF
Resende, MR
da Silva, LJ
Abstract: Many aspects of the human asymptomatic visceral leishmaniasis (VL) remain not elucidated, and moreover, almost all the data come from highly endemic areas. The recent appearance of American VL (AVL) in the northeastern region of the state of Sao Paulo, Brazil, offered a good opportunity for further understanding. We present the preliminary results from a seroprevalence study on AVL in humans in Aracatuba, Sao Paulo. This was a cross-sectional survey on a random sample of the population (one-stage simple random sampling) in two areas, using rK39 dipstick tests. The sex ratios and age distributions in the two areas were comparable. Detectable antibodies were found in 23 subjects (20%) in area A1 and in 6 subjects (4.8%) in area A2. There was no significant difference in age distribution of seropositivity between the areas. We observed a difference in asymptomatic infection rates between the two areas, possibly associated with socioeconomic levels and transmission intensity.
Country: EUA
Editor: Amer Soc Trop Med & Hygiene
Citation: American Journal Of Tropical Medicine And Hygiene. Amer Soc Trop Med & Hygiene, v. 77, n. 6, n. 1051, n. 1053, 2007.
Rights: embargo
Date Issue: 2007
Appears in Collections:Unicamp - Artigos e Outros Documentos

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