Article on CRE Diversity

http://reliawire.com/carbapenem-resistant-enterobacteriaceae-diversity/

C. Cerqueira, et al. 
Multi-institute analysis of carbapenem resistance reveals remarkable diversity, unexplained mechanisms, and limited clonal outbreaks

Full article in PNAS available here:  
www.pnas.org/cgi/doi/10.1073/pnas.1616248114