| [isolation and characterization of yersinia enterocolitica from pigs and bovines in chile]. | the occurrence of yersinia enterocolitica in tonsils and rectal swabs from 100 healthy pigs and the rectal swabs of 100 healthy cattle slaughtered at santiago-chile were analysed. yersinia enterocolitica was isolated from 48 (48%) pigs but not from cattle. 98.2% of strains were of 4/o3 bioserogroup, considered to be pathogenic for humans. all of the strains were resistant to penicillin producing beta-lactamase. most of them were resistant to neomicin and tetracycline. the pyv marker was used to ... | 1997 | 9312970 |
| [human hydatidosis in chile. seroprevalence and estimate of the number of infected people]. | chile is located in the southwestern border of south america. the country is 4,329 km long and 96-342 wide. from north to south it is divided into five marked different biogeographical zones: deserts, steppes, bushes, forests (cattle raising) and austral (sheep raising). population (june 1999) 15,017,760 (14.6% rural). human hydatidosis is endemic in chile. according to ministry of health information about 320 cases are registered each year. in order to find out the likely prevalence of human hy ... | 1999 | 10883493 |
| detection of enterohemorrhagic escherichia coli in meat foods using dna probes, enzyme-linked immunosorbent assay and polymerase chain reaction. | enterohemorrhagic escherichia coli (ehec) is an important cause of diarrhoea with blood and haemolytic uremic syndrome (hus) in children and elderly people. infections with ehec are a world-wide public health problem, related to consumption of contaminated ground beef. the aim of this study was to establish whether different meat foods sold in santiago, chile pose an infection risk by ehec and to evaluate three different diagnostic techniques in foods, to determine which is most applicable for u ... | 2001 | 11471842 |
| [epizootic outbreaks of trichinosis in 2 pig farms from the metropolitan region of chile]. | in chile swine trichinosis has presented a progressive decreasing in the last two decades of xx century. t. spiralis pig infection descended from an average of 0.683 per 1000 in 1980-1984 to 0.315 in 1985-1989 and to 0.115 in 1990-1996. in the particular case of metropolitan region this decreasing has been more marked: from an average of 0.058 per 1000 in 1990-1994 to 0.003 in 1995-1999. between the end of june 1999 and middle january 2000 in metropolitan region abattoirs t. spiralis was detecte ... | 1999 | 10883501 |
| [risk factors and frequency of positive antibodies for leptospirosis in a sub urban population near santiago]. | leptospirosis is a zoonotic disease and its incidence is known in chile since 2002, when it was incorporated as a disease that must be reported to health authorities. a serologic survey for leptospirosis was performed in humans and animals from a farm in a semi urban area in santiago chile, after the death of a farmer due to weil disease in that place. | 2005 | 15953949 |
| field trial of an infant formula containing anti-rotavirus and anti-escherichia coli milk antibodies from hyperimmunized cows. | two groups of 124 and 108 children, respectively, living in urban santiago, chile in low socioeconomic conditions were prospectively followed for 6 months for their incidence of diarrhea. each cohort was divided into two subgroups receiving either a commercial milk formula or the same formula containing 1% (wt/wt) bovine milk immunoglobulin concentrate from cows hyperimmunized with human rotaviruses and the major enteropathogenic escherichia coli (epec) serogroups. neither group differed with re ... | 1992 | 1328579 |
| [frequency of bovine cysticercosis in lo valledor abattoir, santiago, chile (author's transl)]. | | 1976 | 962985 |