Gram negative rods, includes E. aerogenes, E. agglomerans, E. cloacae, E. gergoviae, E. sakazakii (now Chromobacter sakazakiiChromobacter sakazakii).
Hospitalization. - If IVDA strain the heroin through cotton, the cotton can cause a fever either from a reaction to the cotton or can be due to E. agglomerans,. Turns out that Enterobacter can infect cotton crops, and it gets there by way of stink bugs(PubMed).
Nosocomial infections of all kinds.
Can have an inducible beta lactamase that confers resistance to 2nd and third generation cephalosporin as well a piperacillin. This resistance can takes days to show up, while the rapid susceptibility testing can be done in hours. The bottom line is that it can look sensitive to cefotaxime or piperacillin and not be.