[Epidemiological aspects of American tegumentary leishmaniasis in Varzelândia, Minas Gerais, Brazil].
To characterize an area of endemic leishmaniasis, aiming to test a candidate leishmania vaccine, a prospective epidemiological survey was implemented in 1999 in a rural area of Varzelândia, Minas Gerais, Brazil. From a total of 1,253 persons in 246 households, 1,170 were included, of whom 593 (50.6%) were males and 662 (56.5%) were under 21 years of age. A Montenegro intradermal test performed in 1,120 individuals and evaluated in 1,020 was reactive in 282 (27.6%). Serological testing through indirect immunofluorescence and ELISA was performed in 970 individuals (82.9%). Antibodies to Leishmania sp. were detected in 117 (13.1%) and 170 (17.5%), respectively, by the two tests. Cutaneous scars similar to those seen in American tegumentary leishmaniasis were found in 297 individuals (25.4%), 282 of whom were submitted to the intradermal test, while only 168 (59.6) were reactive. Initial leishmaniasis prevalence of 5.8% was recorded, and an annual leishmaniasis incidence rate of 4.6% was observed after one year of follow-up. The epidemiological characteristics observed in this location are suggestive of an endemic area with old colonization.
Nunes
Adriana Guimarães
AG
Universidade Federal do Triângulo Mineiro, Uberaba, Brazil.
Paula
Edvá Vieira de
EV
Teodoro
Roberto
R
Prata
Aluízio
A
Silva-Vergara
Mario León
ML
D000293:Adolescent; D000328:Adult; D017677:Age Distribution; D000368:Aged; D000369:Aged, 80 and over; D001938:Brazil / Q000453:epidemiology; D002648:Child; D002675:Child, Preschool; D004797:Enzyme-Linked Immunosorbent Assay; D005260:Female; D019084:Fluorescent Antibody Technique, Indirect; D006801:Humans; D007223:Infant; D016773:Leishmaniasis, Cutaneous / Q000175:diagnosis / Q000453:epidemiology*; D008297:Male; D008875:Middle Aged; D011287:Prejudice; D012882:Skin Tests