Now showing items 121-129 of 129
Low endemicity and low pathogenicity of rotaviruses among rural children in Costa Rica
Rotaviruses were prospectively studied in 51 rural Costa Rican children from birth to two years. Samples of feces were collected weekly over a 33-month period. Rotavirus was detected in 45 (1.04%) of 4,317 fecal specimens; ...
Serum Antibody Titres to Shigella Lipopolysaccharides and Invasion Plasmid Antigens in Healthy Costa Rican and Swedish Women
Specific serum antibody titres to defined lipopolysaccharides (LPS) of Shigella spp. and Salmonella serogroup B (BO) and Shigella invasion plasmid antigens (Ipa) were determined by enzyme immunoassays in healthy Costa Rican ...
Ooquistes de Cryptosporidium sp. (Apicomplexa: Cryptosporidiiadae) y presencia del C. parvum en niños de Costa Rica
From 1982 to 1987 infant and preschool Costa Rican children with acute diarrhea were studied. Cryptospo ridium (Tyzzer 1912) and other agents of diarrhea were invetigated. Criptosporydium oocysts were diagnosed in Giemsa ...
Cryptosporidiosis in Venezuelan Children with Acute Diarrhea
Thirteen of 120 Venezuelan children with acute diarrhea were found to be excreting Cryptosporidium oocysts in their stools. This confirms that Cryptosporidiurn can infect immunocompetent children, and the relatively high ...
Natural history of rotavirus infection in the children of Santa Maria Cauque
(Prog Food Nutr Sci 7 p. 167-177, 1983)
A prospective observation of 45 cohort children from birth to three years of age permitted the collection of 5689 weekly stool specimens, along with frequent morbidity, dietary and growth data. Specimens tested by the ...
Systems Analysis in Nutrition and Health Planning: Approximate Model Relating Birth Weight and Age to Risk of Deficient Growth
Análisis de sistemas en la planificación de salud y nutrición: un modelo aproximado que relaciona peso al nacer y edad, con riesgo de crecimiento deficiente
This paper summarizes the initial phase of an effort to develop semiquantitative methods for nutrition and health planning. The general approach is to utilize the methods of systems analysis and operations research where ...
Characterization of an R-Plasmid Associated with Ampicillin Resistance in Shigella dysenteriae Type 1 Isolated from Epidemics
Ampicillin-resistant strains of Shigella dysenteriae type 1 isolated in epidemics in Mexico, Central America, and Bangla Desh were examined for the presence of plasmid deoxyribonucleic acid (DNA) by gel electrophoresis. ...
Transfer of Ampicillin resistance from Shigella Dysenterle type 1 to Escherichia Coli
We have found that ampicillin resistance in Shigella dysenterice 1 (Shiga bacillus) is mediated by a plasmid. S. dysenterice 1 was endemic in Europe before the 1914-18 war and eventually became replaced by S. flexneri and ...
El ensayo inmunosorbente enzima conjugada (ELISA) en el diagnóstico de rotavirus
La creciente importancia que los rotavirus tienen en: las llamadas diarreas inespecíficas (3,6) ha llevado al desarrollo de diversas técnicas de laboratorio para estudiar el papel de esos vírus en la etiología de la diarrea. ...