A confluence of factors??including an??inflexible regulatory enviroment that disourages??research and??discovery,??a??paltry research pipeline for drugs??for the most serious illnesses, and??a??tendency for physicians to unnecessarily prescribe antibiotics for routine aches and pains??is??largely responsible for??the rise??of antibiotic-resistant infections in humans, speakers at a major conference on infectious diseases this week announced. ?It is a perfect storm ? antibiotic ...