Luis F. B. Ferreira

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Ascaris lumbricoides (giant roundworm) and Trichuris trichiura (whipworm) are the most common intestinal parasites found in humans worldwide today and they almost always co-occur. However, we find two distinct patterns in archaeological material. In historical North American and Old World contexts, the association of A. lumbricoides and T. trichiura is(More)
Pathoecology provides unique frameworks for understanding disease transmission in ancient populations. Analyses of Old and New World archaeological samples contribute empirically to our understanding of parasite infections. Combining archaeological and anthropological data, we gain insights about health, disease, and the way ancient people lived and(More)
Data about glucose-6-phosphate dehydrogenase (G6PD) deficiency are not available in Brazil, a country characterized by a great mix of races. The disease is associated with ethnic groups. High prevalence (5 to 25%) has been reported in Africa, Asia, Middle East and the Mediterranean. We present here the first report of our one year experience testing for(More)
Trichuris trichiura is a soil-transmitted helminth which is prevalent in warm, moist, tropical and subtropical regions of the world with poor sanitation. Heavy whipworm can result either in Trichuris dysenteric syndrome - especially in children - or in a chronic colitis. In heavy infections, worms can spread proximally and may cause ileitis. Here we provide(More)
Simulations are often used to improve the development and test time of industrial embedded systems in different domains, such as healthcare, railway, automobile and aerospace. This paper introduces a general framework capable of simulating real components simultaneously with simulated ones, in real-time, and with a low impact on the performance of the(More)
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