Answer: The answer is the Centers for Disease, Control and Prevention.
The Centers for Disease, Control and Prevention safeguards Americans from health, safety, and security hazards and threats.
Explanation: The Centers for Disease, Control and Prevention is an agency of the federal government that control and assist health promotion, prevention of disease, injury and disability, and preparedness activities in the US. They do this with the aim of improving public health such that they prevent and control infectious diseases, injuries, workplace hazards and environmental health threats.