Patterns of Macrolide Resistance Determinants among Community-Acquired Streptococcus pneumoniae Isolates over a 5-Year Period of Decreased Macrolide Susceptibility Rates
- 1 October 1999
- journal article
- research article
- Published by American Society for Microbiology in Antimicrobial Agents and Chemotherapy
- Vol. 43 (10) , 2510-2512
- https://doi.org/10.1128/aac.43.10.2510
Abstract
Erythromycin resistance rates were found to be increased, from 7.1 in 1993 to 32.8% in 1997, among community-acquired Streptococcus pneumoniae isolates from the Siena area of central Italy. Most of the erythromycin-resistant isolates carried ermAM determinants and were also resistant to josamycin and clindamycin, whereas a minority (5.8%) carried mefA determinants and remained susceptible to the latter drugs.Keywords
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