There’s growing global concern about threat from antibiotic resistant pathogens. That’s leading to new interest in looking beyond traditional antibiotics to monoclonal antibodies to address the problem. We spoke to Ken Stover, senior director of infectious disease for MedImmune, about the problem, the role monoclonal antibodies could play, and why new efforts hold more promise than previous ones to enlist these powerful therapeutics, which are more often associated with cancer and autoimmune diseases.