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Temporal trends of erythromycin and clindamycin resistance in BHS. Resistance to erythromycin (A) and clindamycin (B) increased significantly in Streptococcus agalactiae (GBS) and Streptococcus dysgalactiae (SD) during the study period. In Streptococcus pyogenes (GAS) resistance to erythromycin and clindamycin remained low, apart from a transient outbreak of resistance to both agents in the period 2010–2012.
