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Memórias do Instituto Oswaldo Cruz
Fundação Oswaldo Cruz, Fiocruz
ISSN: 1678-8060
EISSN: 1678-8060
Vol. 91, No. 4, 1996, pp. 449-455
Bioline Code: oc96088
Full paper language: English
Document type: Research Article
Document available free of charge

Memórias do Instituto Oswaldo Cruz, Vol. 91, No. 4, 1996, pp. 449-455

 en Epidemiological Study of Bancroftian Filariasis in Recife, Northeastern Brazil
Amelia Maciel; Abraham Rocha; Keyla Belizia F Marzochi; Zulma Medeiros; Alexandre B Carvalho; Leda Regis; Wayner Souza; Tiago Lapa & Andre Furtado

Abstract

Wuchereria bancrofti in Pernambuco was first documented
in 1952 (Azevedo & Dobbin 1952), and since then it has been
reported in surveys carried out in selected areas of Recife.
Several surveys were carried out from 1981 to 1991 by SUCAM.
In the 1985 SUCAM's report the disease is considered under
control. The CPqAM Filariasis Research Program was established
in 1985 and a filarial survey was carried out in the town of
Olinda, Greater Recife.  In order to verify the real
epidemiological situation, a study was conducted in the city
of Recife.

21/36 of the Special Zones of Social Interest (ZEIS), were randomly selected for the present study. From 10,664 persons screened, 683 were positive and the prevalence rate for microfilaraemia (mf) varied from 0.6% to 14.9%. A mean mf prevalence of 6.5%, showed that the infection occurs in a wide geographic distribution in Greater Recife and that the intensity of transmission is a real and potential threat to public health in affected communities. Mf rate among males and females differed significantly. Due to the rapid increase in population, unplanned urban settlements, poor sanitary facilities and the favorable geographical conditions to the development of the vector, filariasis may actually be increasing in Recife.

Keywords
filariasis - Wuchereria bancrofti - Culex quinquefasciatus - epidemiology - sex distribution - age distribution

 
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