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Onchocerciasis in Ecuador: the situation in 1989

By Ronald H. Guderian and Anthony J. Shelley

Abstract

Details are given of the prevalence rates of onchocerciasis from the most recent surveys (1989) conducted in northern Ecuador. The disease has intensified and dispersed considerably due to migration of infected individuals and the presence of a highly efficient vector. Comparison of these data with those from two previous surveys carried out in 1982/83 and 1986 and correlated with entomological findings highly the danger of the formation of new foci of onchocerciasis in areas currently free of the disease. Recommendations are made for further entomological studies in areas either recently or likely to be affected by the disease where potential vectors are unknown or different to those registred in the Santiago focus. Invermectin treatment with local vector control in specific areas is advocated to reduce the disease to a low level of public health importance

Topics: onchocerciasis, prevalence, dispersal, control, Simuliidae, Microbiology, QR1-502, Science, Q, DOAJ:Microbiology, DOAJ:Biology, DOAJ:Biology and Life Sciences, Arctic medicine. Tropical medicine, RC955-962, Special situations and conditions, RC952-1245, Internal medicine, RC31-1245, Medicine, R, DOAJ:Internal medicine, DOAJ:Medicine (General), DOAJ:Health Sciences
Publisher: Instituto Oswaldo Cruz, Ministério da Saúde
Year: 1992
DOI identifier: 10.1590/S0074-02761992000300011
OAI identifier: oai:doaj.org/article:1484bf724d4a46ad8998e1bb3a381326
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