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The vectorial competence of the tick Rhipicephalus sanguineus is discussed in relation to the epidemiology of canine visceral leishmaniasis, taking into account its strict association with dogs and the low indices of natural infection presented by its known vector, the phlebotomine sand fly Lutzomyia longipalpis. In order to evaluate natural infection by(More)
Dry blood from mammals and birds was used as larval diet for the development of the cat flea, Ctenocephalides felis felis (Bouché), in the laboratory. Diets that contained host blood and cornmeal heated at 40 degrees C for 30 min were inadequate for most larvae to form pupae. Development time from 1st instar to adult ranged from 30 to 33 d. Except for the(More)
A louse survey based on samples of cut hair collected from floors of barbershops and beauty parlors was conducted in Belo Horizonte, Minas Gerais State, Brazil, from October 1984 to April 1985, as an alternative way to determine the prevalence of pediculosis capitis in the population. Of 475 samples examined for nits, nymphs, or adults of Pediculus capitis,(More)
Scorpions, especially in urban areas, due to the great demographic density and confrontation possibility, represent a risk to the public health. Tityus serrulatus is the most important species, causing the highest number of accidents. This study intended to raise epidemic data and the occurrence of scorpionism in Belo Horizonte, between 1990 and 1997. The(More)
Adults, nymphs and nits of the Pediculus humanus were found in a frame-house infesting the clothes and bedding of three inhabitants in a shanty town in S. Paulo county, S. Paulo State. A total of 198 nits were found glued in 15.0 cm2 of fibres of the infested clothing, giving a ratio of 13.2 nits/cm2. Having in view that the precarious living conditions,(More)
Three cases of scorpionism caused by Tityus adrianoi Lourenço occurring in the cities of Belo Horizonte and Curvelo, Minas Gerais State, Brazil, are presented. The patients were treated on the same day as the accident and in all cases, only local pain was reported, which varied from low to intense, without posterior complications. All three cases were(More)
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