| risk factors for the nasopharyngeal carriage of respiratory pathogens by portuguese children: phenotype and antimicrobial susceptibility of haemophilus influenzae and streptococcus pneumoniae. | between 1997 and 2000 nasopharyngeal specimens were obtained from 466 children < or = 12 years old attending the pediatric emergency department at s. francisco xavier hospital, lisbon, to evaluate risk factors for nasopharyngeal carriage of haemophilus influenzae and streptococcus pneumoniae and to characterize their phenotype and antimicrobial susceptibility. the attending pediatrician completed written questionnaires about the children's demographic and clinical histories. over half the childr ... | 2003 | 12705689 |
| carriage of respiratory tract pathogens and molecular epidemiology of streptococcus pneumoniae colonization in healthy children attending day care centers in lisbon, portugal. | in an effort to establish the rate of carriage of antibiotic resistant respiratory pathogens in children attending urban day care centers (dcc) in portugal, seven dcc in lisbon were selected for determining the rate of nasopharyngeal colonization of children between the ages of 6 months to 6 years by streptococcus pneumoniae, haemophilus influenzae, and moraxella catarrhalis. of the 586 children studied between january and march 1996, 47% carried s. pneumoniae, 72% h. influenzae, and 54% m. cata ... | 1999 | 10332718 |
| antimicrobial resistance and epidemiological study of haemophilus influenzae strains isolated in portugal. the multicentre study group. | in the course of a multicentric surveillance study, nine laboratories sent 375 isolates of haemophilus influenzae to the sector de resistência aos antibióticos (sra) from the national institute of health in lisbon, between 1 january and 31 december 1992. the majority of the h. influenzae isolates were from the respiratory tract (84.8%); only 5.1% were of invasive origin. overall resistance for ampicillin was 11.7%, tetracycline 3.7%, and chloramphenicol 2.4%. all isolates tested were fully susce ... | 1996 | 8937957 |