About Us

This site offers reliable, easy-to-understand information from the U.S. federal government on vaccines, immunizations, and vaccine-preventable diseases.

Whether you want trusted vaccination information for yourself, a loved one, or others in your community, we can help you find what you need.

This site offers health information for your general knowledge. The information on this site does not replace professional medical advice, diagnosis, or treatment. If you have questions about your health, talk with your doctor or other health care provider.

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We encourage you to share information from our site with your friends, family, patients, or website users. The information is in the public domain, which means you can copy and distribute it for free. When appropriate, we ask that you give credit to the source. If you adapt or modify these materials, please remove all citations and logos.

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Give Feedback on This Site

The Office of Infectious Disease and HIV/AIDS Policy (OIDP) coordinates and maintains the information on this site. OIDP is part of the U.S. Department of Health and Human Services (HHS). If you have technical problems or other feedback about our website, email us at [email protected].

Meet Our Collaborative Partners

We work with multiple federal agencies to maintain the most up-to-date vaccine information. These partners verify the accuracy and reliability of our content:

Explore More Vaccine Information

Centers for Disease Control and Prevention (CDC)
CDC recommends vaccination schedules and helps to monitor vaccine safety. For more information:

  • Call: 800-CDC-INFO (800-232-4636) (Monday – Friday 8 a.m. – 8 p.m., Eastern)
  • Email: Contact CDC-INFO
  • TTY: 888-232-6348

Food and Drug Administration (FDA), Center for Biologics Evaluation and Research (CBER)
FDA regulates and licenses vaccines for public use. For more information:

Content created by Office of Infectious Disease and HIV/AIDS Policy (OIDP)
Content last reviewed