Gloria Berríos

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Chile, middle-income country with 15 million people, began an expanded access program (EAP) to antiretroviral therapy (ART) in 2001. EAP provides ART, monitoring, and funding for management of associated complications in 32 points of care. A national cohort (Chilean AIDS Cohort [ChiAC]), enrolling 98% of these patients, was created for standardized(More)
We evaluated the anti Vi test to detect S typhi carriers in 1006 food handlers of 65 locations in central Santiago (Chile): 710 males and 296 females, age range 17 to 67. Positive reactions were found in 27 subjects, titers varying from 1/40 in 9 to 1/160 in 1 subject. Culture of feces, along with urine and bile cultures in those with very high titers(More)
The agar dilution method was used to test the activity of ampicillin, benzylpenicillin, cefoxitin, imipenem, clindamycin, metronidazole, chloramphenicol, gentamicin, methicillin and vancomycin against 241 anaerobic and 227 aerobic bacteria isolated from 136 patients with intraabdominal infections and 49 with nonintraabdominal infections. Beta-lactamase(More)
The clinical course of infection by Salmonellae was compared between patients who had been vaccinated against typhoid fever using the Ty21a vaccine and those who had not. Of 2566 bacteriological confirmed cases 84% were infected with S typhi, 14% with S paratyphi B and 2% with S paratyphi A. Among patients with typhoid fever, 34% were treated in hospital,(More)
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