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Vaccines & Immunizations Web Resources

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Credible and Current Immunization Information

NCIRD's Vaccines and Immunizations website provides credible information. The website is maintained by the National Center for Immunization and Respiratory Diseases (NCIRD), the Federal Government's principal agency for immunization research and a component of the Centers for Disease Control and Prevention (CDC).

Web content is researched, written and approved by subject matter experts, including credentialed physicians, researchers, epidemiologists, and analysts. Content is based on published and peer-reviewed science at the domestic and international levels. CDC leadership makes the final decision on the website's words, images and links to best serve the public need as well as the information needs of healthcare providers, public health professionals, partners, educators, and researchers.

The information is frequently updated to include the latest in science and public health and most pages are reviewed yearly.

E-Mail Service & Newsletters for Up-to-Date Information

You can sign up to receive alerts on various immunization topics by e-mail. When new information is available, you'll get email updates.

Immunization Works! is a popular monthly e-newsletter. Sign up to receive it and other immunization-related newsletters.

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Tools for Your Web Visit
Need More Information?

If you can't locate the immunization information you need, contact CDC-INFO (English and Spanish)

  • By email: complete this form
  • By phone: call (800) 232-4636 (800-CDC-INFO), Monday through Friday, 8:00 am – 8:00 pm Eastern time (ET)

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