In this case , CRE infections kill about half of patients who have bloodstream infections . Aaron Carroll says interest in drug - resistant bacteria CRE should help us all . He says bacterial strains -- like MSRA a few years ago -- continue to resist antibiotics . Concern is over spread in Europe now , but bug could get out into community , he says . Carroll : Misuse of antibiotics gives bacteria time to evolve -- a real public health danger .
Aaron Carroll says interest in drug - resistant bacteria CRE should help us all . He says bacterial strains -- like MSRA a few years ago -- continue to resist antibiotics . Concern is over spread in Europe now , but bug could get out into community , he says . Carroll : Misuse of antibiotics gives bacteria time to evolve -- a real public health danger .