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CDC applies the same real-world, science based approach to reducing violence and injuries as it does to preventing infectious and chronic diseases.

CDC's scientific services promote health, prevent disease, and prepare for health threats.

CDC protects all Americans from disease, disability, and death through immunization and by controlling respiratory and other preventable diseases.

For the millions of Americans with birth defects, disabilities, and blood disorders, a happy, healthy life can be challenging to realize.

CDC protects people from environmental hazards found in the air we breathe, the water we drink, and the world that surrounds us.

Protecting the public's health involves making critical health decisions that can affect millions of people. So it is vital that decision makers have accurate, relevant health information.

Heart disease, stroke, cancer, diabetes, and other chronic diseases cause 7 in 10 deaths every year in the U.S. CDC works to prevent the risk factors that cause these diseases, such as tobacco use, obesity, physical inactivity, poor nutrition, and alcohol abuse.

A core CDC responsibility is to help state, tribal, local, and territorial health departments prepare for emerging health threats.

CDC has a unique role protecting America's health security. Our scientists and public health experts are world leaders at responding to large-scale health emergencies such as natural disasters, pandemics, deliberate attacks, environmental catastrophes, and other health threats.

Diseases can cross communities and borders, but CDC responds whenever and wherever there is an infectious disease threat.