HomeMedicine & HealthPublic HealthWhat is CDC?
Medicine & Health·2 min·Updated Mar 15, 2026

What is CDC?

Centers for Disease Control and Prevention

Quick Answer

The CDC, or Centers for Disease Control and Prevention, is a national public health agency in the United States. It focuses on protecting public health and safety by controlling and preventing disease, injury, and disability.

Overview

The CDC is a key agency within the U.S. Department of Health and Human Services. It conducts research and provides information on health issues, with a focus on preventing outbreaks of diseases and promoting healthy behaviors. For example, during the COVID-19 pandemic, the CDC played a vital role in providing guidelines to help control the spread of the virus and protect the public. To achieve its goals, the CDC collaborates with various partners, including state and local health departments, healthcare providers, and international organizations. This collaboration helps ensure that health information is accurate and that resources are effectively targeted to areas in need. The agency also monitors health trends and conducts studies to better understand the factors that affect public health. The importance of the CDC extends beyond just disease prevention. It also addresses issues like health education, emergency preparedness, and environmental health. By focusing on these areas, the CDC helps to create a healthier population and reduce the burden of illness and injury in communities across the nation.


Frequently Asked Questions

The CDC focuses on a wide range of diseases, including infectious diseases like influenza and COVID-19, as well as chronic diseases such as diabetes and heart disease. They also address public health concerns like obesity and mental health issues.
In health emergencies, the CDC activates its emergency operations center to coordinate a response. This includes providing resources, guidance, and support to local health departments and healthcare providers.
Yes, the CDC provides a wealth of information accessible to the public through its website. This includes health guidelines, data on disease outbreaks, and educational materials on various health topics.