What is cre and what are the symptoms of this "super bug"?

CRE. Carbapenem-resistant enterobacteriaceae is infection commonly seen in people with exposure to healthcare settings such as hospitals or nursing homes, & occur among sick patients who are receiving treatment for other conditions, such as patients on ventilators or catheters or long-course antibiotics. Symptoms vary depending on site of infection, ex. Uti or pneumonia or blood.