antimicrobial resistance in streptococcus pyogenes isolates in berlin. | a total of 212 clinical streptococcus pyogenes isolates were tested for susceptibility to various antibiotics by agar dilution. the overall frequency of erythromycin resistance was 12.7%, being higher in isolates from children (18.9%) than in those from adult patients (10.7%). similar results were found for clarithromycin, while 2.8% of the isolates were resistant to ciprofloxacin. all strains were susceptible to penicillin and cefotaxime. of the erythromycin-resistant isolates subjected to the ... | 2000 | 11020262 |