Absence of Lutzomyia longipalpis in some endemic visceral leishmaniasis areas in Rio de Janeiro municipality

The first autochthonous case of human visceral leishmaniasis (VL) in the Municipality of Rio de Janeiro was diagnosed in 1977. Since 1980, 54 autochthonous cases have been diagnosed in various locations, and since 1993 some 17 autochthonous human cases have been reported. Eight of these occurred in...

Full description

Saved in:
Bibliographic Details
Published in:Cadernos de saúde pública 2003-11, Vol.19 (6), p.1881-1885
Main Authors: de Souza, Marcos Barbosa, Marzochi, Mauro Célio de Almeida, de Carvalho, Raimundo Wilson, Ribeiro, Paulo César, Pontes, César dos Santos, Caetano, Jairo Meródio, Meira, Antonio de Medeiros
Format: Article
Language:Portuguese
Subjects:
Animals
Brazil - epidemiology
Endemic Diseases
Humans
Insect Control
Insect Vectors
Leishmaniasis, Visceral - epidemiology
Leishmaniasis, Visceral - prevention & control
Leishmaniasis, Visceral - transmission
Psychodidae - classification
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:The first autochthonous case of human visceral leishmaniasis (VL) in the Municipality of Rio de Janeiro was diagnosed in 1977. Since 1980, 54 autochthonous cases have been diagnosed in various locations, and since 1993 some 17 autochthonous human cases have been reported. Eight of these occurred in the neighborhood of Barra de Guaratiba and the others were distributed in the following neighborhoods: Camorim, Colônia, Grota Funda, Grumari, Ilha de Guaratiba, and Carapiá. From September 1996 to December 1999, phebotomine sandfly captures were performed at 18 sites on the mountainsides of the Pedra Branca Massif, in the Municipality, and a total of 18,303 specimens were collected, with a predominance of L. intermedia (87.33%), L. migonei (6.59%), L. longipalpis (3.10%), and L. firmatoi (1.90%). The species L. longipalpis predominated in Barra de Guaratiba (46.80%) and was absent from the other six locations where VL cases also occurred, suggesting the participation of other species like L. migonei and L. firmatoi, belonging to the same paraphyletic group of the vector species, in the VL transmission chain in the region.
ISSN:0102-311X