Slide Show: What You Should Know About mcr-1

The Centers for Disease Control and Prevention (CDC) is part of a coordinated public health response after the Department of Defense (DoD) announced the discovery of the first mcr-1 gene found in bacteria in a human in the United States. CDC is working with DoD, the Pennsylvania Department of Health, local health departments, and others to identify people who have had contact with the patient and take action to prevent local spread.