Understanding the microbiology of a more potent variant of a common bacterium

University at Buffalo (UB) researchers are expressing concern about a new, under-recognized, more potent variant of a common bacterium.  "Historically, in Western countries, classical strains of Klebsiella pneumoniae have caused infections mostly in sick, hospitalized patients whose host defense systems are compromised," says Thomas Russo, of the UB School of Medicine and Biomedical Sciences.  "But in the last 10 to 15 years, a new variant of it has begun causing...