alexa Antimicrobial resistance of 914 beta-hemolytic streptococci isolated from pharyngeal swabs in Spain: results of a 1-year (1996-1997) multicenter surveillance study. The Spanish Surveillance Group for Respiratory Pathogens.


Family Medicine & Medical Science Research

Author(s): Baquero F, GarcaRodrguez JA, de Lomas JG, Aguilar L

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Abstract A nationwide susceptibility surveillance study of beta-hemolytic streptococcal isolates from pharyngeal swabs obtained in 11 Spanish hospitals between May 1996 and April 1997 against 12 antibiotics was carried out. Of the isolates 86\% (786 of 914 isolates) were group A and 8.4\% (77 of 914 isolates) were group C. No resistance was found to beta-lactam antibiotics, but significant differences (P < 0.001) with respect to lack of susceptibility to macrolides were found between groups (27\% for group A and 12\% for group C) and between seasons (13.2\% in summer and 31.7\% in winter). Most of these isolates displayed the M phenotype (low-level resistance to erythromycin and susceptibility to clindamycin).
This article was published in Antimicrob Agents Chemother and referenced in Family Medicine & Medical Science Research

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