Basics and Common Questions
What You Need to Know
Both parents and providers seek information about why immunizing is so important to the individual, community, and worldwide.
- Why Immunize?
- How Vaccines Prevent Diseases
Includes illustrations to help you better understand how vaccines protect children from diseases.
- Understanding How Vaccines Work [331KB, 2 pages]
Explains how the immune system responds to vaccines to build immunity.
- Vaccines: Unprotected Stories
Parents tell true stories of how a vaccine-preventable disease sickened their child and impacted their family.
- The Importance of Childhood Immunizations
- Parents: What You Need to Know
Answers to common and frequently asked questions about vaccinating, the creditability of information on the Internet, etc.
Images and logos on this website which are trademarked/copyrighted or used with permission of the trademark/copyright or logo holder are not in the public domain. These images and logos have been licensed for or used with permission in the materials provided on this website. The materials in the form presented on this website may be used without seeking further permission. Any other use of trademarked/copyrighted images or logos requires permission from the trademark/copyright holder
This symbol means you are leaving the CDC.gov Web site. For more information, please see CDC's Exit Notification and Disclaimer policy.
File Formats: All viewers, players, and plug-ins used on this site can be downloaded from the file formats page. (For example: Adobe Acrobat Reader for pdf files, Windows Media Player for audio and video files, PowerPoint Viewer for presentation slides, etc.)
Content last reviewed on March 14, 2012
Content Source: National Center for Immunization and Respiratory Diseases