Also I believe the MOA of B offers advantages as well. There is still a threat of resistance that has been found in multiple clinical settings for daptomycin also. Refer to links below: http://en.m.wikipedia.org/wiki/Daptomycin ...look under the resistance tab http://aac.asm.org/content/52/3/1167.full http://www.nejm.org/doi/full/10.1056/NEJMoa1011138 http://m.cid.oxfordjournals.org/content/40/7/1058.long