Toxigenic types of Clostridium perfringens are significant causative agents of enteric disease in domestic animals, although type E is presumably rare, appearing as an uncommon cause of enterotoxemia of lambs, calves and rabbits. We report herein the typing of 23 C. perfringens strains, by the polymerase...
A four-year-old male goat with a history of neurological disorder was euthanized. It presented uncommon nodules in the brain and lungs associated with multiple abscesses, predominantly in the spleen and liver. Histological examination of brain and lung sections revealed yeast forms confirmed to be Crypto...
Widow spiders (Latrodectus spp.), also known as "black widows", have a worldwide distribution and can cause latrodectism. To the best of our knowledge, in Brazil, only one case of Latrodectus geometricus (Koch, 1841) envenomation in a human has been reported. The aim of the present report is to describe ...
Children bitten by venomous snakes comprise emergency cases that present high morbidity and mortality, especially in some regions of Asia and Africa. Reports on clinical features and management of envenomated children are scarce. This observational study implemented a protocol for antivenom use in pediat...
La normatividad ambiental internacional, que surge desde la declaración de Estocolmo en 1972, no ha logrado disminuir la contaminación ambiental sino que, como se observa en los más diversos informes especializados sobre el tema, los peligros que enfrenta la vida en el planeta son cada vez más inmine...
En las últimas tres décadas han sido formuladas distintas metodologías de estimación de las condiciones de salud en el mundo, en términos de conocer la carga global y particular de la morbilidad y la discapacidad, y de estimar la eficacia de las intervenciones en el ámbito de la salud pública. En ...
Este artigo tem por objetivo contar a vivência de uma epidemia de cólera, que deixou mais de dois mil mortos, no ano de 2006 em Angola. Descrevo as minhas observações e sentimentos, assim como algumas intervenções da equipe da organização Médecins du Monde na tentativa de contribuir para o contr...
Focusing on the field sciences during the late nineteenth and early twentieth centuries, this paper analyzes how railroads served as tools of knowledge empire in the American West. The political economy of this region, shaped by the rise of Populism and capitalist development with federal and state gover...
El feocromocitoma es un tumor de células cromafines, que puede localizarse en los territorios derivados de la cresta neural, o en el trayecto que siguen estas células hasta su localización definitiva. Por lo general se ubican en el abdomen (90 por ciento de los casos) particularmente en las glándulas...
