CDC is the nation's leading science-based, data-driven, service organization that protects the public's health. CDC works 24/7 to protect America from health, safety and security threats, both foreign and …

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Advancing Excellence & Integrity of CDC Science — see Science Adverse Childhood Experiences (ACEs) Adverse Drug Events — see Medication Safety Adverse Events Following Immunization — …

Sep 17, 2025 · CDC serves the American public who rely on accurate data, health guidance, and preventive measures

Professionals and Vaccine Communications Information for Health Care Providers CDC vaccine and vaccination information for U.S. health care providers.

Flu Resource Center Access CDC communication resources to share information about the importance annual flu vaccination

Find links to guidance and information on all topics related to COVID-19, including the COVID-19 vac

Learn about CDC’s Traveler Genomic Surveillance Program that detects new COVID-19 variants entering the country. Sign up to get travel notices, clinical updates, & healthy travel tips.

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CDC's Respiratory Virus Guidance provides actions you can take to lower the risk of COVID-19 transmission (catching and spreading COVID-19) and lower the risk of severe illness if you get sick.