Comparative study of antimicrobial resistance of Pseudomonas aeruginosa strains isolated from patients of Caracas and Asunción in a 4-year-period.

The antimicrobial resistance of Pseudomonas aeruginosa to beta-lactams, aminoglycosides and ciprofloxacin was investigated in two Latin American hospitals, one in Venezuela and the other in Paraguay. The resistance of P. aeruginosa was investigated in 1,481 clinically isolated strains, 988 from Asunción and 493 from Caracas, collected between 1996 and 1999.

Epidemiology of hookworm infection in Itagua, Paraguay: a cross sectional study.

A cross-sectional study in Itagua, Paraguay tested 192 people for the presence, intensity and species of hookworm infection. Fifty-nine percent of these individuals were found to be infected. Intensity of infection was determined on 92% of infected individuals by quantitative egg counts.

Trypanosoma cruzi from the Paraguayan Chaco: isoenzyme profiles of strains isolated at Makthlawaiya.

At Makthlawaiya, in the Paraguayan Chaco, the prevalence of Trypanosoma (Schizotrypanum) cruzi infection among both domestic Triatoma infestans and domestic dogs was 38%, and IgG anti-T. cruzi antibody was detected by the quantitative enzyme-linked immunosorbent assay (ELISA) in 80% (105/133) of human sera. Ninety percent (25/28) of T.