in vitro ACTIVITY OF BL-S217, A NEW CEPHALOSPORIN ANTIBIOTIC

Abstract

BL-S217 is a new cephalosporin derivative which is active in vitro against grampositivecocci and gram-negative bacilli. At a concentration of 12.5μg/ml, BL-S217inhibited 83% of isolates of Klebsiella spp., 77% of isolates of Escherichia coli and 67%of isolates of Proteus mirabilis. BL-S217 was as active in vitro as most other cephalosporinantibiotics.