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Public health surveillance is the ongoing systematic collection, analysis, and interpretation of outcome-specific data for use in planning, interpretation, and evaluation of public health practice.

Cholesterol can build up in your blood and increase your risk for heart disease. Learn about high cholesterol and how to reduce your risk.

Information on how to evacuate during a radiation emergency. Provided by the Centers for Disease Control and Prevention (CDC).

CDC Vital Signs links science, policy, and communications with the intent of communicating a call-to-action for the public. CDC Vital Signs provides the most recent, comprehensive data on key indicators of important health topics.

Information on acute radiation syndrome, its symptoms and treatment. Provided by the Centers for Disease Control and Prevention (CDC).

Information on terrorism and public health. Provided by the Centers for Disease Control and Prevention (CDC).

No matter what diet you may try, to lose weight, you must take in fewer calories than your body uses. Learn more.

Since high-calorie foods are everywhere, it's important to take the time to plan ahead to make sure you have healthy options available. Learn more...

International influenza flu evaluation and capacity review tools - CDC

Prevent or reduce the risk of spreading or getting conjunctivitis by following some simple good hygiene steps.